FM 923 over Brush Knob Creek
Throckmorton County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 923 over Brush Knob Creek in Throckmorton County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1948, making it 77 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 1 of the 53 inventoried bridges in Throckmorton County rated poor (1.9%); 1 (1.9%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (33.09437, -99.14292)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 52 ft |
| Location | 1.7 Mi N of US 183 |
| NBI structure number | 032240098205008 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Throckmorton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 183 over Draw | 1929 | 2,375 | Good |
| US 183 over Elm Creek | 1929 | 1,916 | Fair |
| US 380 over North Elm Creek | 1932 | 1,078 | Fair |
| US 380 over Draw | 1938 | 1,076 | Good |
| US 183 over Draw | 1929 | 1,027 | Good |
| US 183 over Draw | 1929 | 999 | Good |
All bridges nearby: Throckmorton County, TX bridge conditions · every bridge in Throckmorton County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.