FM 580 over Donalson Creek
Lampasas County, Texas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- FM 580 over Donalson Creek in Lampasas County, Texas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1947, making it 78 years old at the 2025 inventory.
- It carries about 944 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 43 of the 90 inventoried bridges in Lampasas County rated fair (47.8%); 1 (1.1%) are rated poor.
- 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 → (31.08303, -98.26708)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 75 ft |
| Location | 2.40 Mi W of FM 1494 |
| NBI structure number | 231410023115037 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Lampasas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 190 over Taylor Creek | 1938 | 16,932 | Fair |
| US 190 over Lampasas River | 1943 | 13,516 | Fair |
| US 190 over Cooksey Creek | 1938 | 12,926 | Fair |
| US 190 over Gooch Branch | 1938 | 12,926 | Good |
| US 190 over Drain | 1986 | 12,172 | Fair |
| US 183 over Sulphur Creek | 1949 | 12,133 | Fair |
All bridges nearby: Lampasas County, TX bridge conditions · every bridge in Lampasas County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.