SH 6 Nb/sl 340 SB over Union Pacfic RR
McLennan County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 6 Nb/sl 340 SB over Union Pacfic RR in McLennan 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 2018, making it 7 years old at the 2025 inventory.
- It carries about 8,226 vehicles a day (traffic count year 2017).
- Its listed owner is the state highway agency.
- It is one of 347 of the 718 inventoried bridges in McLennan County rated fair (48.3%); 14 (1.9%) 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 April 2023, 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 → (31.54362, -97.07031)
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 319 ft |
| Location | 4.6 Mi. E. of US 77 |
| NBI structure number | 091610025809455 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| 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 McLennan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 35 over No Name Creek | 2014 | 173,556 | Good |
| Ih 35 over Branch Primrose Creek | 1965 | 133,572 | Fair |
| Ih 35 Nbml over 11th/12th Street | 2022 | 133,572 | Good |
| Ih 35 Sbml over 11th/12th Street | 2021 | 133,572 | Good |
| Ih 35 Nbml over 4th/5th Street | 2022 | 133,572 | Good |
| Ih 35 Sbml over 4th/5th Street | 2021 | 133,572 | Good |
All bridges nearby: McLennan County, TX bridge conditions · every bridge in McLennan County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.