US 77 SB over Chiltipin Creek
San Patricio County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 77 SB over Chiltipin Creek in San Patricio County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 7,360 vehicles a day (traffic count year 2016).
- Its listed owner is the state highway agency.
- It is one of 127 of the 241 inventoried bridges in San Patricio County rated fair (52.7%); 2 (0.8%) 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 March 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 → (28.04584, -97.52506)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 282 ft |
| Location | 0.70 Mi N of SH 188 |
| NBI structure number | 162050037104091 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in San Patricio County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 181 over La Quinta Drainage Ditch | 2024 | 45,911 | Good |
| US 181 SBFR & Ramp over Drainage Ditch | 2008 | 43,726 | Good |
| US 181 over Drain | 1970 | 35,542 | Fair |
| US 181 SB over FM 3239 (buddy Ganem Dr) | 1987 | 24,117 | Fair |
| SH 35 over Drainage Ditch | 1926 | 22,697 | Fair |
| Ih 37 Ml & Efr over Draw | 1970 | 22,516 | Good |
All bridges nearby: San Patricio County, TX bridge conditions · every bridge in San Patricio County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.