US278 S-8lm17.9wb over US 79/79B Mn Lns
Ouachita County, Arkansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US278 S-8lm17.9wb over US 79/79B Mn Lns in Ouachita County, Arkansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 5,000 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 52 of the 162 inventoried bridges in Ouachita County rated good (32.1%); 17 (10.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: superstructure 8 to 7.
- Its most recent inspection on record is dated October 2024, 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 → (33.57023, -92.83794)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 208 ft |
| Location | Jct US 278 over US 79/79B |
| NBI structure number | 0000000000A6500 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arkansas department of transportation.
Busiest bridges in Ouachita County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US79 S-4 Lm 9.99SB over Mizzell Creek | 1964 | 39,104 | Fair |
| SH7 SB S-3 Lm 1.34 over Union Pacific RR | 1985 | 18,043 | Fair |
| SH7 NB S-3 Lm 1.34 over UPRR | 1985 | 18,043 | Fair |
| US 79 over Ouachita River | 1976 | 10,000 | Fair |
| US 79 S-4 Lm 3.26 over Ouachita Relief | 1972 | 10,000 | Fair |
| US 79 S-4 Lm 4.43 over Woodard Lake | 1973 | 10,000 | Fair |
All bridges nearby: Ouachita County, AR bridge conditions · every bridge in Ouachita County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.