Bridge conditions in Pottawatomie County, Oklahoma
408 inventoried bridges · 25 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 408 bridges in Pottawatomie County: 87 rated good, 296 fair, and 25 poor.
- 25 of the 408 bridges in Pottawatomie County, Oklahoma, are rated in poor condition (6.1%) in the 2025 National Bridge Inventory, as of .
- 87 bridges (21.3%) are rated good and 296 (72.5%) fair.
- The median Pottawatomie County bridge was built in 1990.
- The busiest poor-rated bridge is I-40 over U.S. 177 Under (built 1961), carrying about 16,750 vehicles a day.
Good 21.3% · Fair 72.5% · Poor 6.1% of 408 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 |
|---|---|---|---|
| I-40 over U.S. 177 Under | 1961 | 16,750 | Poor |
| U.S. 270 Ramp S-w over I-40 /U.S. 177 Under | 1961 | 16,100 | Poor |
| 6316C over Creek | 1941 | 5,000 | Poor |
| E1180 over Squirrel Creek | 1984 | 1,750 | Poor |
| 6385C over N. Canadian River | 1987 | 1,090 | Poor |
| 6304C over Stomp Dance Creek | 1975 | 1,030 | Poor |
| 6304C over Squaw Creek | 1993 | 1,030 | Poor |
| 6304C over Creek | 1993 | 1,030 | Poor |
| 6306C over Creek | 1955 | 880 | Poor |
| 6306C over Shan Creek | 1955 | 880 | Poor |
| 6318C over Creek | 1945 | 600 | Poor |
| 6368C over Bruno Creek | 1981 | 590 | Poor |
| D3342 (6374C) over S. Canadian River | 1906 | 250 | Poor |
| 6374C over Creek | 1995 | 250 | Poor |
| 6359C over Council Creek | 1983 | 200 | Poor |
| Dam Rd. over Shawnee Lake Spillway | 1960 | 175 | Poor |
| N3390 over Creek | 1939 | 100 | Poor |
| E1380 over Creek | 1939 | 100 | Poor |
| E1070 over South Quapaw Creek | 1940 | 100 | Poor |
| N3416 over Salt Creek | 1940 | 100 | Poor |
| Mc Kinley St. over Shawnee Creek | 1942 | 100 | Poor |
| N3360 over Creek | 1962 | 100 | Poor |
| E1140 over Deer Creek | 2006 | 100 | Poor |
| 6338C over Creek | 1940 | 70 | Poor |
| N3320 over Pond Creek | 1921 | 50 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-40 WB over Old U.S. 270 Under | 2018 | 38,000 | Good |
| I-40 EB over Old U.S. 270 Under | 2018 | 38,000 | Good |
| I-40 over Creek | 1961 | 34,400 | Fair |
| I-40 over Deer Creek | 2007 | 34,400 | Good |
| I-40 over Creek | 1962 | 27,900 | Fair |
| I-40 over Creek | 1963 | 20,500 | Fair |
| I-40 over Creek | 1963 | 20,500 | Fair |
| Kickapoo (fas 6329 over I-40 Under | 1988 | 17,750 | Fair |
| I-40 over Co. Rd. Under | 1963 | 17,700 | Fair |
| I-40 over Creek | 1963 | 17,700 | 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.