SH 30 over Gibbons Creek
Grimes County, Texas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 30 over Gibbons Creek in Grimes County, Texas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1951, making it 74 years old at the 2025 inventory.
- It carries about 6,351 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 2 of the 248 inventoried bridges in Grimes County rated poor (0.8%); 2 (0.8%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (30.59479, -96.06475)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 500 ft |
| Location | 0.8 Mi E of FM 244 |
| NBI structure number | 170940021204007 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Texas department of transportation.
Busiest bridges in Grimes County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 6 over Drain | 1970 | 27,241 | Good |
| SH 6 over Drain | 1970 | 27,241 | Good |
| SH 6 over Sylvia Creek | 1970 | 25,973 | Fair |
| SH 6 over Cedar Creek | 1970 | 25,973 | Good |
| SH 6 over Sandy Creek | 1970 | 22,090 | Good |
| SH 6 SB over SH 90 | 1971 | 15,528 | Good |
All bridges nearby: Grimes County, TX bridge conditions · every bridge in Grimes County · Texas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.