Bridge conditions in Marshall County, Oklahoma
79 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 9 bridges in Marshall County is rated in poor condition: 9 of 79 on the federal inventory, one of the higher shares in Oklahoma.
- 9 of the 79 bridges in Marshall County, Oklahoma, are rated in poor condition (11.4%) in the 2025 National Bridge Inventory, as of .
- 41 bridges (51.9%) are rated good and 29 (36.7%) fair.
- The median Marshall County bridge was built in 1960.
- The busiest poor-rated bridge is N3580 Moore Rd over Rock Creek (built 1936), carrying about 100 vehicles a day.
Good 51.9% · Fair 36.7% · Poor 11.4% of 79 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N3580 Moore Rd over Rock Creek | 1936 | 100 | Poor |
| N3560 over Rooster Creek | 1940 | 100 | Poor |
| D3538 over Little Glasses Creek | 1940 | 100 | Poor |
| Fas 4814 over Creek | 1986 | 100 | Poor |
| 4820C Mcmillan Rd over Little Hauani Creek | 1988 | 100 | Poor |
| N3057 3RD St. over Whiskey Creek | 1937 | 100 | Poor |
| Irr E1970 over Wolf Creek | 2004 | 100 | Poor |
| E2030 Smiley Rd. over Creek | 1939 | 50 | Poor |
| E2040 over Turkey Creek | 1989 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 70 over Whiskey Creek | 1933 | 10,200 | Fair |
| S.H. 199 over Glasses Creek | 1960 | 8,600 | Fair |
| S.H. 99 over Whiskey Creek | 1960 | 6,700 | Fair |
| U.S. 70 over Little Glasses Creek | 1946 | 6,300 | Fair |
| U.S. 70 over Creek | 1958 | 6,300 | Good |
| U.S. 70 over Creek | 1935 | 6,200 | Good |
| S.H. 99 over Creek | 1960 | 6,200 | Fair |
| U.S. 70 over Creek | 1960 | 4,700 | Fair |
| U.S. 70 over Creek | 1960 | 4,600 | Fair |
| U.S. 70 over Little Hauani Creek | 1960 | 4,600 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Oklahoma: Oklahoma bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.