Bridge conditions in Grady County, Oklahoma
447 inventoried bridges · 31 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Grady County tracks close to typical: 31 of its 447 inventoried bridges (6.9%) are rated poor, against a national rate of about 7%.
- 31 of the 447 bridges in Grady County, Oklahoma, are rated in poor condition (6.9%) in the 2025 National Bridge Inventory, as of .
- 114 bridges (25.5%) are rated good and 302 (67.6%) fair.
- The median Grady County bridge was built in 1989.
- The busiest poor-rated bridge is N2830 (16 St) over Line Creek (built 1933), carrying about 2,358 vehicles a day.
Good 25.5% · Fair 67.6% · Poor 6.9% of 447 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 |
|---|---|---|---|
| N2830 (16 St) over Line Creek | 1933 | 2,358 | Poor |
| 2636C over Creek | 1939 | 1,310 | Poor |
| 2678C over Winter Creek | 1949 | 714 | Poor |
| N2838 (4TH St) over Tony Hollow Creek | 1939 | 643 | Poor |
| 2608C over Creek | 1940 | 537 | Poor |
| N2860 over Creek | 1928 | 500 | Poor |
| E1350 (frisco Ave) over Rock Hollow Creek | 1930 | 500 | Poor |
| 2616C (grand Ave) over Creek | 1970 | 314 | Poor |
| 2626C over Creek | 1983 | 216 | Poor |
| 2690C over Creek | 1986 | 180 | Poor |
| Irr E1350 over Tony Hollow Creek | 1939 | 100 | Poor |
| E Silver City Rdg over East Creek | 1939 | 100 | Poor |
| N2810 over Creek | 1940 | 100 | Poor |
| E1430 over Creek | 1940 | 100 | Poor |
| E1290 over Creek | 1940 | 100 | Poor |
| N2900 over Creek | 1941 | 100 | Poor |
| 2654C over Creek | 1946 | 100 | Poor |
| N2940 over Roaring Creek | 1975 | 100 | Poor |
| E1350 over Creek | 1987 | 100 | Poor |
| E1320 over Creek | 1987 | 100 | Poor |
| E1390 over Washita River | 1987 | 100 | Poor |
| E1350 over Rock Hollow Creek | 1989 | 100 | Poor |
| E1310 over Creek | 1989 | 100 | Poor |
| 2640C over Creek | 1989 | 77 | Poor |
| N2840 over Creek | 1991 | 50 | Poor |
| E1300 over Creek | 1991 | 50 | Poor |
| N2800 over Creek | 1989 | 50 | Poor |
| W Silver City Rdg over Creek | 1993 | 50 | Poor |
| 2910C over Creek | 1994 | 50 | Poor |
| N2990 over Creek | 1997 | 25 | Poor |
| N2790 over Creek | 1995 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Bailey A Tp (I-44) over Creek | 1963 | 19,300 | Good |
| Bailey A Tp (I-44) over Creek | 1963 | 19,300 | Good |
| Bailey A Tp (I-44) over U.S. 62 Under | 1963 | 19,300 | Fair |
| Bailey A Tp (I-44) over U.S. 81 Under | 1963 | 19,300 | Fair |
| Bailey A Tp (I-44) over Co. Rd. E1370 Under | 1964 | 19,300 | Good |
| Bailey A Tp (I-44) over Bitter Creek Oflow | 1964 | 19,300 | Good |
| Bailey A Tp (I-44) over Creek | 1964 | 19,300 | Fair |
| Bailey A Tp (I-44) over Bitter Creek | 1964 | 19,300 | Good |
| Bailey A Tp (I-44) over Bitter Creek | 1964 | 19,300 | Fair |
| Bailey A Tp (I-44) over UP R.R. Under | 1964 | 19,300 | 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.