US 77 Bus NB over Marlin Branch
McLennan County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 77 Bus NB over Marlin Branch in McLennan 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 1958, making it 67 years old at the 2025 inventory.
- It carries about 10,422 vehicles a day (traffic count year 2023).
- 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 December 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 → (31.56283, -97.1029)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 45 ft |
| Location | 0.8 Mi N of Brazos River |
| NBI structure number | 091610001410123 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
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.