US 277 Bus over Corps Channel
Knox County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 277 Bus over Corps Channel in Knox County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 2,600 vehicles a day (traffic count year 2012).
- Its listed owner is the state highway agency.
- It is one of 32 of the 51 inventoried bridges in Knox County rated fair (62.7%); 2 (3.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, on a 24-month routine inspection cycle.
- 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 → (33.44188, -99.62531)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 90 ft |
| Location | 0.55 Mi S of SH 222 |
| NBI structure number | 251380015702047 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 277 over Lake Creek Relief | 1931 | 3,276 | Fair |
| US 277 NB over FM 266 | 2006 | 2,100 | Fair |
| US 82 over Draw | 1931 | 2,092 | Good |
| US 82 over Draw | 1931 | 2,092 | Fair |
| US 82 over Draw | 1931 | 2,092 | Good |
| US 277 NB over SH 222 | 2006 | 1,403 | Fair |
All bridges nearby: Knox County, TX bridge conditions · every bridge in Knox County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.