FM 636 over Willow Creek
Navarro County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 636 over Willow Creek in Navarro County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1953, making it 72 years old at the 2025 inventory.
- It carries about 126 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 147 of the 342 inventoried bridges in Navarro County rated good (43.0%); 7 (2.0%) 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 January 2024, on a 24-month routine inspection cycle.
- 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 → (32.22833, -96.34455)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete stringer or multi-beam girder |
| Length | about 60 ft |
| Location | 1.80 Mi E of FM 1129 |
| NBI structure number | 181750057402008 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| 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 Navarro County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| IH45 Ml over Chambers Creek Relief | 2000 | 52,657 | Good |
| IH45 Ml over Chambers Creek | 2000 | 52,657 | Good |
| US 287 over Walnut Grove Road | 2020 | 50,161 | Good |
| Ih 45 over Briar Creek Branch | 1964 | 43,537 | Fair |
| Ih 45 over Briar Creek Branch | 1964 | 43,537 | Fair |
| Ih 45 Ml & Wfr over Drainage Ditch | 1958 | 40,076 | Fair |
All bridges nearby: Navarro County, TX bridge conditions · every bridge in Navarro County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.