US 181 over Drainage Ditch
Wilson County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 181 over Drainage Ditch in Wilson County, Texas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1928 and reconstructed in 1978, making it 97 years old at the 2025 inventory.
- It carries about 7,754 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 80 of the 137 inventoried bridges in Wilson County rated good (58.4%); 3 (2.2%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (29.01867, -98.05254)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | 1.90 Mi NW of Karnes C/l |
| NBI structure number | 152470010004016 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Wilson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 181 over Sandpit Crk | 1936 | 23,140 | Good |
| US 181 over Lodi Branch | 1941 | 22,549 | Good |
| US 181 over Kicaster Creek | 1941 | 21,846 | Good |
| US 181 over Seguin Branch | 1941 | 21,846 | Fair |
| US 87 over Boeck Creek | 1926 | 13,369 | Fair |
| US 87 over Colibro Creek | 1956 | 13,369 | Good |
All bridges nearby: Wilson County, TX bridge conditions · every bridge in Wilson County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.