SH 21 over FM 812
Bastrop County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 21 over FM 812 in Bastrop 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 2001, making it 24 years old at the 2025 inventory.
- It carries about 11,249 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 92 of the 283 inventoried bridges in Bastrop County rated fair (32.5%); 1 (0.4%) 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 November 2022, on a 48-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 → (30.07173, -97.57251)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 196 ft |
| Location | 0.9 Mi E of Caldwell C/l |
| NBI structure number | 140110047105084 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2022 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Bastrop County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 21/SH 71 over Colorado River | 1958 | 52,109 | Fair |
| US 290 over UPRR & Central Ave | 1941 | 42,765 | Fair |
| US 290 / SH 95 over Sharp Creek | 1940 | 40,877 | Good |
| SH 21/SH 95 over Draw | 1960 | 31,898 | Good |
| SH 21; SH 71 Ebml over UPRR; College St; Mlk Dr | 2023 | 27,547 | Good |
| US 290 over Oak Creek | 1941 | 27,543 | Good |
All bridges nearby: Bastrop County, TX bridge conditions · every bridge in Bastrop County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.