Ih 35 SB over FM 310
Hill County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih 35 SB over FM 310 in Hill County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 34,626 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 222 of the 403 inventoried bridges in Hill County rated fair (55.1%); 4 (1.0%) 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 November 2022, on a 48-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 → (31.95709, -97.11549)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 124 ft |
| Location | 5.5 Mi N of FM 1242 |
| NBI structure number | 091100001407483 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2022 |
| Inspection interval (item 91) | 48 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 Hill County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 35 over Trib Pecan Creek | 1964 | 84,716 | Fair |
| Ih 35 Ml & Wfr over Bond Creek | 2007 | 81,594 | Fair |
| Ih 35 over Mt Springs Creek | 2007 | 81,594 | Good |
| Ih 35 over Rocky Branch | 2015 | 79,863 | Good |
| Ih 35 over Trlica Creek | 1941 | 79,390 | Fair |
| Ih 35 Ml over Four Mile Creek | 1941 | 79,390 | Fair |
All bridges nearby: Hill County, TX bridge conditions · every bridge in Hill County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.