FM 671 over Big Slough
Caldwell County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 671 over Big Slough in Caldwell County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 729 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 132 of the 208 inventoried bridges in Caldwell County rated good (63.5%); 1 (0.5%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (29.78555, -97.68005)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 33 ft |
| Location | 1.8 Mi SW US 183 |
| NBI structure number | 140280106001010 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Caldwell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 10 Ml & Nfr over Wolf Creek | 1972 | 37,461 | Good |
| SH 130 Ml over Little West Fork | 2011 | 34,919 | Good |
| SH 130 Ml over Crooked Branch | 2011 | 34,919 | Good |
| US 183 over Draw | 1948 | 23,918 | Good |
| US 183 over Clear Fork Plum Creek | 2017 | 23,918 | Good |
| US 183 over Town Creek/uprr/cemetery | 2008 | 22,871 | Fair |
All bridges nearby: Caldwell County, TX bridge conditions · every bridge in Caldwell County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.