US 183 SB Fr over Buttermilk Creek
Travis County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 183 SB Fr over Buttermilk Creek in Travis County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 18,870 vehicles a day (traffic count year 2013).
- Its listed owner is the state highway agency.
- It is one of 558 of the 1,552 inventoried bridges in Travis County rated fair (36.0%); 1 (0.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- It was rated poor in the 2024 inventory and is now fair (deck 5 to 6, superstructure 4 to 5).
- Its most recent inspection on record is dated July 2023, 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 → (30.33273, -97.68773)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 6 | Satisfactory condition |
| Superstructure | 4 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 1,029 ft |
| Location | 0.95 Mi NW of US 290 |
| NBI structure number | 142270015109123 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 2023 |
| 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 Travis County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| E Oltorf & N T/a over Ih 35 Ml | 2017 | 185,424 | Good |
| Ih 35 S T/a @ Olto over Ih 35 Ml | 2021 | 185,424 | Good |
| IH35 NB Ent Ramp over IH35 NB Exit Ramp | 2019 | 185,424 | Good |
| Ih 35 Ml over 26TH St (dean Keeton) | 1976 | 178,313 | Good |
| Ih 35 Ml & Fr over Butternut Branch | 1953 | 176,077 | Good |
| Ih 35 Ml & Fr over Tannehill Br | 1953 | 170,802 | Fair |
All bridges nearby: Travis County, TX bridge conditions · every bridge in Travis County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.