Listed on the National Register of Historic Places in 1998.
“The Okoboji Bridge is located southwest of Milford, Iowa, United States. The 83-foot (25 m) span carried traffic on 180th Avenue over a branch of the Little Sioux River.”
Wikipedia article Okoboji Bridge, CC BY-SA 4.0.
One of 12 National Register listings published here for Dickinson County · listed in 1998 · category: Structure.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service
Regional context, not property-specific evidence. The federal wildfire occurrence database lists 11 fires within 5 miles of Okoboji Bridge between 2006 and 2019, burning about 377 acres in total. None started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.
| Reported cause | Fires |
|---|---|
| Missing data/not specified/undetermined | 9 |
| Debris and open burning | 2 |
The most recent of them, most recent first, with the day each was reported and the service that recorded it.
| Date | Cause | Size | Reported by | Name on the report |
|---|---|---|---|---|
| 6 September 2019 | Debris and open burning | 200 acres | Iowa Department of Natural Resources | not named |
| 10 July 2012 | Debris and open burning | 8.0 acres | Iowa Department of Natural Resources | not named |
| 9 April 2011 | Missing data/not specified/undetermined | 60 acres | Iowa Department of Natural Resources | A34, 2235 193RD AVE., OKOBOJI TWP, BY LITTLE SIOUX |
| 13 April 2009 | Missing data/not specified/undetermined | 60 acres | Iowa Department of Natural Resources | not named |
| 10 April 2006 | Missing data/not specified/undetermined | 4.0 acres | Iowa Department of Natural Resources | not named |
| 28 March 2010 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | 2014 260TH STREET MILFORD, IA 51351, IOWA |
| 21 March 2009 | Missing data/not specified/undetermined | 20 acres | Iowa Department of Natural Resources | not named |
| 15 March 2006 | Missing data/not specified/undetermined | under an acre | Iowa Department of Natural Resources | not named |
Regional context, not property-specific evidence. The federal mineral resources record lists 18 workings within 5 miles of Okoboji Bridge: 17 past producers, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.
| Where | Site | Commodity | Status | Recorded |
|---|---|---|---|---|
| Bradbury | Sand and Gravel, Construction | Past Producer | ||
| County | Sand and Gravel, Construction | Past Producer | ||
| Fostoria Pit | Sand and Gravel, Construction | Producer | ||
| Milford Pit | Sand and Gravel, Construction | Past Producer | ||
| Milford Pit | Sand and Gravel, Construction | Past Producer | ||
| Straub Pit | Sand and Gravel, Construction | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer | ||
| Unknown | Sand and Gravel, Construction | Past Producer |
Regional context, not property-specific evidence. The National Weather Service names Milford, the town this property stands in, in 34 storm reports between 1994 and 2016: 15 flood, 9 hail, 8 thunderstorm wind, 1 flash flood. No death or injury is recorded in these reports. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.
| When | Event | Place named | Harm | What the report says |
|---|---|---|---|---|
| June 2001 | Hail | Milford | $100,000 | Large hail caused damage to vehicles, and to the siding and windows of some buildings. |
| June 2001 | Thunderstorm Wind | Milford | $50,000 | Thunderstorm winds blew down trees and power lines. |
| July 2010 | Lightning | Milford | $5,000 | Lightning struck a house and caused a small fire. |
| June 2001 | Thunderstorm Wind | Milford | $5,000 | Thunderstorm winds caused tree damage, including large branches blown down. |
| June 1994 | Thunderstorm Wind | Milford | $5,000 | no account filed |
| June 1994 | Hail | Milford | $5,000 | no account filed |
| April 2016 | Flood | Milford | - | Runoff from repeated rains caused minor flooding of agricultural land along the Little Sioux River. The river reached a peak stage 0.8 feet above flood stage at Milford at the end of the month. |
| June 2014 | Flood | Milford | - | Persistent heavy rains caused major flooding of the Little Sioux River. Farmland, other lowlands including parks, and several roads near the river were flooded. Some homes were flooded, mainly in basements. The river crested at 5.37 feet above flood stage at Milford on June 19th. |
| May 2012 | Flood | Milford | - | Runoff from heavy rain caused minor flooding of the Little Sioux River, with lowlands including some farmland and a few roads affected. The river crested at 1.7 feet above flood stage near Milford on May 31st. |
| June 2011 | Flood | Milford | - | Moderate flooding of the Little Sioux River resulted from runoff caused by heavy rain. Lowlands including some farmland along the river were flooded. The river crested at 3.0 feet above flood stage near Milford on June 21st. |
| February 2011 | Flood | Milford | - | Melting snow and resulting runoff caused minor flooding along the Little Sioux River, with unused lowlands mainly affected. The river crested at less than a foot above flood stage at Milford late on February 18th. |
| July 2011 | Flood | Milford | - | Major flooding of the Little Sioux River resulted from runoff caused by heavy rain. Considerable farmland, other lowlands, and several roads were flooded. The river crested at a record 5.5 feet above flood stage near Milford on July 15th. |
| September 2010 | Flood | Milford | - | Heavy rain caused minor to moderate flooding along the Little Sioux River, with farmland and other lowlands affected. A few roads were also flooded. The river crested at 4 feet above flood stage near Milford on September 27th. |
| October 2010 | Flood | Milford | - | Minor to moderate flooding of the Little Sioux River abated and ended during the first few days of the month. A few lowlands along the river and a few roads were flooded at the start of the month. |
| July 2010 | Flood | Milford | - | Heavy rain caused minor to moderate flooding along the Little Sioux River, with lowlands including some agricultural land flooded. The river crested at 2.21 feet above flood stage at Milford on July 26th. |
| March 2010 | Flood | Milford | - | Rapid melting of a heavy winter snowpack resulted in moderate to major flooding of the Little Sioux River. Fields and other lowlands as well as roads near the river were flooded. The Little Sioux River crested at 4.65 feet above flood stage near Milford on March 17th. |
| February 2009 | Flood | Milford | - | Minor flooding along the Little Sioux River resulted from the melting of snow. |
| June 2008 | Flood | Milford | - | Heavy rain caused minor flooding of farmland along the Little Sioux River from June 12th to June 14th, except over the far southern part of Dickinson County, where minor flooding continued from the beginning of June to June 14th. |
| July 2007 | Thunderstorm Wind | Milford | - | Thunderstorm winds caused tree damage, including several branches blown down. |
| March 2007 | Flood | Milford | - | Warm temperatures caused a rapid snowmelt which caused the Little Sioux River to rise above flood stage for several days. The flooding vwas light to moderate, and no significant damage was reported. The river crested at 3.8 feet above flood stage at Milford on March 15th.| |
| August 2007 | Flood | Milford | - | Very heavy rainfall over several days caused major to record flooding in the headwater area of the Little Sioux River, with lowlands including several roads flooded, and at least one road washed out. The river crested at 4.8 feet above flood stage near Milford on August 23rd. |
| August 2006 | Thunderstorm Wind | Milford | - | Thunderstorm winds caused tree damage, including several trees blown down. The winds also severely damaged crops, mainly corn, along a 3 mile long stretch. The amount of crop damage was not known. |
| August 2006 | Thunderstorm Wind | Milford | - | Thunderstorm winds caused crop damage. The amount of crop damage was not known. |
| June 1999 | Flash Flood | Milford | - | Heavy rain caused lowland flooding, including part of highway 71. |
| April 2006 | Flood | Milford | - | no account filed |
| September 2005 | Hail | Milford | - | no account filed |
| April 2004 | Hail | Milford | - | no account filed |
| May 2004 | Hail | Milford | - | no account filed |
| May 2004 | Hail | Milford | - | no account filed |
| April 2001 | Hail | Milford | - | no account filed |
| June 2001 | Thunderstorm Wind | Milford | - | no account filed |
| June 2001 | Hail | Milford | - | no account filed |
| July 2000 | Thunderstorm Wind | Milford | - | no account filed |
| May 1999 | Hail | Milford | - | no account filed |
No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.
| National Archives record | The nomination case file for reference 98000789 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Dickinson County | All 12 listed properties in this county. |
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