SH 31 Log 3.54 over Salt Bayou
Lonoke County, Arkansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 31 Log 3.54 over Salt Bayou in Lonoke County, Arkansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1955, making it 70 years old at the 2025 inventory.
- It carries about 720 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- 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 → (34.53117, -91.87393)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 4 | Poor condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 132 ft |
| Location | 1 Mi S Jct of US 165 |
| NBI structure number | 000000000002966 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arkansas department of transportation.
All bridges nearby: Lonoke County, AR bridge conditions · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.