SH 173 over Elm Creek
Atascosa County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 173 over Elm Creek in Atascosa 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 1939 and reconstructed in 2008, making it 86 years old at the 2025 inventory.
- It carries about 2,448 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 66 of the 176 inventoried bridges in Atascosa County rated fair (37.5%); 1 (0.6%) 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 → (29.03077, -98.79982)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 0.70 Mi NW of FM 2504 |
| NBI structure number | 150070042104006 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Atascosa County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 37 over Draw | 1979 | 29,873 | Fair |
| Ih 37 over Draw | 1979 | 29,873 | Fair |
| Ih 37 Ml W Fr Rd over Draw | 1979 | 29,000 | Fair |
| Ih 37 over Draw | 1955 | 23,567 | Fair |
| Ih 37 over Dry Br of Atascosa River | 1955 | 23,567 | Good |
| Ih 37 over Draw | 1976 | 22,389 | Good |
All bridges nearby: Atascosa County, TX bridge conditions · every bridge in Atascosa County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.