Bridge conditions in Delaware County, Oklahoma
161 inventoried bridges · 27 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 6 bridges in Delaware County is rated in poor condition: 27 of 161 on the federal inventory, one of the higher shares in Oklahoma.
- 27 of the 161 bridges in Delaware County, Oklahoma, are rated in poor condition (16.8%) in the 2025 National Bridge Inventory, as of .
- 58 bridges (36.0%) are rated good and 76 (47.2%) fair.
- The median Delaware County bridge was built in 1985.
- The busiest poor-rated bridge is E0250 over Grand Lake-hickory Creek (built 1940), carrying about 1,664 vehicles a day.
Good 36.0% · Fair 47.2% · Poor 16.8% of 161 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 |
|---|---|---|---|
| E0250 over Grand Lake-hickory Creek | 1940 | 1,664 | Poor |
| Irr E0340 (2116C) over Creek | 1930 | 450 | Poor |
| Irr E0330 (2116C) over Whitewater Creek | 2018 | 450 | Poor |
| N4585 Kenwood over Dry Creek | 2015 | 384 | Poor |
| N4605 over Spring Creek | 1925 | 250 | Poor |
| E0310 over Duck Creek | 1939 | 200 | Poor |
| N4608 over Brush Creek | 1998 | 150 | Poor |
| E0292 over Spring Branch Creek | 1978 | 125 | Poor |
| Cherokee St. over Spring Creek | 1925 | 100 | Poor |
| N4510 over Fly Creek | 1930 | 100 | Poor |
| N4510 over Fly Creek | 1930 | 100 | Poor |
| E0425 over Spavinaw Creek | 1930 | 100 | Poor |
| D0579 over Flint Creek | 1930 | 100 | Poor |
| N4605 over Brush Creek Trib. | 1936 | 100 | Poor |
| 2132C over Creek | 1939 | 100 | Poor |
| 2132C over Creek | 1939 | 100 | Poor |
| D4610 over Creek | 1939 | 100 | Poor |
| 2132C over Creek | 1955 | 100 | Poor |
| E0348 over Whitewater Creek | 1939 | 100 | Poor |
| 2154C over Creek | 1940 | 100 | Poor |
| D0466 over Creek | 1950 | 100 | Poor |
| E0373 (2163C) over Summerfield Creek | 1960 | 100 | Poor |
| D4687 over Flint Creek | 1965 | 100 | Poor |
| D0470 over Cloud Creek | 2016 | 100 | Poor |
| N4500 over Saline Creek | 2002 | 50 | Poor |
| N4670 over Honey Creek | 1930 | 25 | Poor |
| N4610 over Creek | 1952 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S.H. 10 over Creek | 1946 | 11,300 | Fair |
| N4620 (2108C) over Creek | 2018 | 8,240 | Good |
| U.S. 59 over Drowning Creek | 1973 | 7,600 | Fair |
| U.S. 59 over Elm Branch Creek | 1925 | 7,300 | Fair |
| U.S. 59 over Honey Creek | 2002 | 7,300 | Fair |
| Cherokee Tp over Creek | 1991 | 6,300 | Good |
| Cherokee Tp over Creek | 1991 | 6,300 | Good |
| Cherokee Tp over Creek | 1991 | 6,100 | Good |
| U.S. 59 over Flint Creek | 1991 | 6,100 | Good |
| Cherokee Tp over Creek | 1991 | 6,100 | Good |
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.