SH 7 S-4 Lm 2.10 over Palmer Bayou
Ouachita County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 7 S-4 Lm 2.10 over Palmer Bayou in Ouachita County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1950, making it 75 years old at the 2025 inventory.
- It carries about 1,100 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 93 of the 162 inventoried bridges in Ouachita County rated fair (57.4%); 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 (fair), but component ratings moved: substructure 6 to 5.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (33.62188, -92.81508)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 78 ft |
| Location | 2.13 Mi N Jct US 79B |
| NBI structure number | 0000000000M0161 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
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.