Ih 35 NB over FM 3175
Atascosa County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 35 NB over FM 3175 in Atascosa County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1967, making it 58 years old at the 2025 inventory.
- It carries about 17,505 vehicles a day (traffic count year 2019).
- 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.
- 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 May 2024, 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 → (29.22202, -98.79431)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 162 ft |
| Location | 0.70 Mi SW of FM 2790 |
| NBI structure number | 150070001704204 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
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.