FM 3478 over Nelson Creek
Walker County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 3478 over Nelson Creek in Walker County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 1,862 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 86 of the 166 inventoried bridges in Walker County rated fair (51.8%); 1 (0.6%) 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 July 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 → (30.89441, -95.51445)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 127 ft |
| Location | 3.0 Mi N of FM 980 |
| NBI structure number | 172360355001001 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Walker County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 45 Ml over Draw | 1959 | 56,772 | Good |
| Ih 45 over Draw | 2019 | 51,507 | Good |
| Ih 45 Ml over Draw | 2019 | 51,507 | Good |
| Ih 45 Ml and Wfr over Little Chinquapin Creek | 2021 | 51,507 | Good |
| Ih 45 Ml & Efr over Little Caney Creek | 2021 | 48,523 | Good |
| Ih 45 North T/a over Ih 45 (SH 30) | 2003 | 48,000 | Fair |
All bridges nearby: Walker County, TX bridge conditions · every bridge in Walker County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.