SH 36 over Flat Creek
Austin County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 36 over Flat Creek in Austin 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 1925 and reconstructed in 2018, making it 100 years old at the 2025 inventory.
- It carries about 4,840 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 71 of the 218 inventoried bridges in Austin County rated fair (32.6%); 4 (1.8%) 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 → (29.68648, -96.12967)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 33 ft |
| Location | 4.45 Mi S of FM 3013 |
| NBI structure number | 130080018704011 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Austin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 10 over Draw | 2020 | 65,213 | Good |
| Ih 10 over Draw | 2020 | 65,213 | Good |
| Ih 10 over Chew/bartlett Rd | 2021 | 65,213 | Good |
| Ih 10 over FM 1458 | 2021 | 56,725 | Good |
| Mlcak Rd over Ih 10 | 2022 | 56,083 | Good |
| Ih 10 over US 90 | 2021 | 52,333 | Good |
All bridges nearby: Austin County, TX bridge conditions · every bridge in Austin County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.