FM 18 over Buck Creek
Callahan County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 18 over Buck Creek in Callahan County, Texas, 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 1990, making it 35 years old at the 2025 inventory.
- It carries about 3,469 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 80 of the 156 inventoried bridges in Callahan County rated fair (51.3%); 0 (0.0%) 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 → (32.41439, -99.58706)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 89 ft |
| Location | 1.60 Mi W of FM 603 |
| NBI structure number | 080300000611039 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Callahan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 20 Ml over Draw | 1948 | 28,489 | Good |
| Ih 20 Ml over Buck Creek | 1948 | 28,489 | Fair |
| Ih 20 Ml over Draw | 1948 | 28,489 | Fair |
| Ih 20 Ml & Nfr over Draw | 1947 | 25,672 | Fair |
| Ih 20 Ml over Draw | 1964 | 22,984 | Fair |
| Ih 20 Ml over Spring Branch | 1965 | 22,984 | Fair |
All bridges nearby: Callahan County, TX bridge conditions · every bridge in Callahan County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.