SH 21 over Clear Fork Plum Creek
Hays County, Texas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 21 over Clear Fork Plum Creek in Hays 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 1944 and reconstructed in 2007, making it 81 years old at the 2025 inventory.
- It carries about 14,573 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 208 of the 273 inventoried bridges in Hays County rated good (76.2%); 1 (0.4%) 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 → (29.93213, -97.82203)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 41 ft |
| Location | 0.3 Mi S of Rm 150 |
| NBI structure number | 141060047102066 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Hays County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 35 Ml over San Marcos River | 2004 | 144,823 | Good |
| Ih 35 Ml over Willow Springs Creek | 2004 | 144,823 | Good |
| Ih 35 Ml over Draw | 1961 | 136,818 | Good |
| Ih 35 Ml & Sbfr over Draw | 1961 | 136,818 | Fair |
| Ih 35 NB over SH 123 | 2023 | 134,690 | Good |
| Ih 35 over Draw | 1958 | 131,260 | Fair |
All bridges nearby: Hays County, TX bridge conditions · every bridge in Hays County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.