Listed on the National Register of Historic Places in 1974. A historic map-sheet match is not published yet. The record needs a coordinate-quality review before it can be joined to a sheet boundary.
“The Chambers Road Covered Bridge near Olive Green, Ohio was built in 1874 by Everett S. It was listed on the National Register of Historic Places in 1974.”
Wikipedia article Chambers Road Covered Bridge, CC BY-SA 4.0.
one of 49 National Register listings in Delaware County · listed in 1974 · 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. Museums hold 489 specimens collected within 10 miles of Chambers Road Covered Bridge between 1837 and 1974: 357 Animalia, 101 Fungi, 20 Plantae, 5 Chromista, 4 Protozoa, 2 Unrecorded. 12 distinct Species records are shown. Collected by A. P. Morgan, A.P. Morgan, B. Fink and others. Each is a physical object with a catalogue number, and each entry opens the museum's record. This is what was collected and kept, not a survey of what lives here - nothing can be concluded from a species being absent.
| Image | Species | Year | Collected by | Where, as recorded |
|---|---|---|---|---|
 | Caeoma agrimoniae Schwein. | 1896 | F. L. Stevens | Ohio |
 | Hypoxylon howeianum Peck | 1896 | A. P. Morgan | |
 | Hypoxylon illitum (Schwein.) M.A.Curtis | 1896 | A. P. Morgan | |
 | Agaricus velutipes Curtis | 1837 | J.R. Paddock | |
 | Polyporus versicolor (L.) Fr. | 1838 | not recorded | |
 | Equisetum arvense L. | 1870 | Beardslee, H.C. | Moist soil. |
 | Sphaeria ulmea Fr. | 1880 | W. A. Kellermann | Ohio |
 | Phyllosticta decidua Ellis & Kellerm. | 1882 | Kellerman, W. A. | Ohio |
| unnamed | 1883 | Kellerman | Ohio | |
| Botryotinia fuckeliana (de Bary) Whetzel | 1883 | W. A. Kellerman | Ohio | |
| Botrytis vulgaris (Link) Fr. | 1883 | Dr. W. A. Kellerman | Ohio | |
| Nummularia microplaca (Berk. & M.A.Curtis) Cooke | 1883 | WA Kellerman | Ohio |
All 489 specimens within 10 miles, at the Global Biodiversity Information Facility.
Regional context, not property-specific evidence. The National Weather Service names Olive Green, the town this property stands in, in 6 storm reports between 1997 and 2025: 4 thunderstorm wind, 1 hail, 1 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 2022 | Thunderstorm Wind | Olive Green | $10,000 | A roof was ripped off of a barn and multiple trees were also downed on the property. |
| August 1998 | Thunderstorm Wind | Olive Green | $5,000 | Trees knocked down. |
| July 1997 | Thunderstorm Wind | Olive Green | $5,000 | Trees and power lines downed. |
| July 2025 | Thunderstorm Wind | Olive Green | $3,000 | A large tree was downed onto a transformer. |
| June 2013 | Flood | Olive Green | $1,000 | High water was reported at the intersection of State Route 521 and State Route 61 due to heavy rainfall. |
| June 2013 | Hail | Olive Green | - | 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.
When this property was proposed for the National Register, someone wrote the case for it: what the building is, and why it matters. That document is a federal record in the public domain. It is quoted below word for word, never summarised. The text was read off the scanned case file by machine, so the occasional stray character is the recogniser's and the 1970s typewriter's.
Excellent The outward appearance of this bridge has changed little over the years. bridge spanning Big Walnut Creek l miles northeast of olive Green in long overall;16' 6"wide overall with a 14'6"roadway.The wooden PERIOD (Check One or More as Appropriate) - Pre-Columbian! - 20th Century SPECIFIC DATE(s) (Il Applicable and Known) - Urban Planning - Prehistoric STATEMENT OF
Evrett S. Sherman, who came here from New Hampshire. Mr. Sherman Later, Mr. Sherman Left Delaware County for Preble County, Ohio where 1874 Communications Commerce SIGNIFICANCE Architecture Conservation Engineering REGISTER Transportation losophy Military Agriculture Aboriginal Education Landscape Literature Theater Music itarian Industry Political Sculpture sponsibility for it. Religion/Phi- worked with other builders on several of the Delaware County covered Social/Human- roof, siding and abutments.The county is interested in preserving this Invention he built l5 Childs truss covered bridges. Other (Specify) bridges that we know of, but the Chambers Road Bridge seems to have Chilås truss.
While not in top condition at this time, the trusses NATIONAL Art The Chambers Road Covered Bridge is significant in that it is the last covered bridge in Delaware County and the first known example of the seem to be sturdy and in line, and all that is needed are repairs to been done on his own.This is the first known example of the Childs Press, 1970, p. 26. 1957, p. 41. River Valley Covered Bridge Society Bulletin, Vol. XX, #2, Fall 1973, p. 8. LATITUDE AND LONGITUDE COORDINATES DEFINING A RECTANGLE LOCATING THE PROPERTY DEFINING THE CENTER POINI OF A PHOPERTY OF LESS THAN TEN ACRES W 82° APPROXIMATE ACREAGE OF NOMINATED PROPERTY: SEP 3 0 1974
The whole case file for this property - 1,473 words, 10 pages, reproduced complete.
Quoted from the National Register nomination for reference 74001465, 10 pages, held by the National Archives in Record Group 79. See the catalogue record.
Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.
| Photograph | Property | Distance | Listed |
|---|---|---|---|
 | Sunbury Town Hall | 7.0 miles | 1975 |
| National Archives record | The nomination case file for reference 74001465 in Record Group 79. |
| Wikipedia article | Community-written account of this property, licensed CC BY-SA. |
| Delaware County | All 49 listed properties in this county. |
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