State Hwy 115 over Flat Creek
Comanche County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- State Hwy 115 over Flat Creek in Comanche County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1992 and reconstructed in 2011, making it 33 years old at the 2025 inventory.
- It carries about 1,250 vehicles a day (traffic count year 2022).
- It is one of 342 of the 594 inventoried bridges in Comanche County rated fair (57.6%); 53 (8.9%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (34.6855, -98.63133)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 23 ft |
| Location | Hwy 115 S of Cache Tee |
| NBI structure number | 000021670-00135 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Comanche County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Cache Rd. W-n I-44 over I-44 NB Ramp S-w Under | 1955 | 30,700 | Fair |
| Fau 7760 (cache Rd over Meadowbrook Creek | 1980 | 27,550 | Fair |
| I-44 over Sitting Bear Creek | 1952 | 26,600 | Fair |
| I-44 over Creek | 1959 | 26,600 | Good |
| I-44 Ramp N-w over Post Rd. Under | 2007 | 26,600 | Fair |
| I-44 over Creek | 1980 | 25,200 | Good |
All bridges nearby: Comanche County, OK bridge conditions · every bridge in Comanche County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.