Sh-131/Sec-1/L1.78 over S. Alligator Bayou
Lee County, Arkansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sh-131/Sec-1/L1.78 over S. Alligator Bayou in Lee County, Arkansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2017, making it 8 years old at the 2025 inventory.
- It carries about 90 vehicles a day (traffic count year 2019).
- Its listed owner is the state highway agency.
- It is one of 30 of the 94 inventoried bridges in Lee County rated good (31.9%); 13 (13.8%) 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 March 2023, on a 24-month routine inspection cycle.
- 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 → (34.83333, -90.60302)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 411 ft |
| Location | 1.8 Mi South Of Jct Us 79 |
| NBI structure number | 000000000007303 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arkansas department of transportation.
Busiest bridges in Lee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sh-1/Sec-9/L8.832 over Ditch | 1973 | 4,400 | Fair |
| Sh-1/Sec-10/4.61 over Languille River | 2010 | 4,100 | Good |
| Sh-1/Sec-10/L-3.81 over Drainage Ditch | 1935 | 4,100 | Fair |
| Sh-1/Sec-10/L-6.03 over Union Pacific Railroad | 2008 | 4,000 | Good |
| Sh-1/Sec-9/L-0.089 over Big Cypress Creek | 2017 | 3,300 | Good |
| Sh-1/Sec-9/L-2888 over Caney Creek | 1986 | 3,200 | Fair |
All bridges nearby: Lee County, AR bridge conditions · every bridge in Lee County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.