504TH St Ext T over Phillips Creek
Jefferson County, Arkansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 504TH St Ext T over Phillips Creek in Jefferson County, Arkansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1987, making it 38 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2022).
- It is one of 87 of the 336 inventoried bridges in Jefferson County rated fair (25.9%); 16 (4.8%) 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 September 2024, on a 24-month routine inspection cycle.
- 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 → (34.35121, -92.1139)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | Pine Bluff Arsenal Ar |
| NBI structure number | DAPAMCPIN00066 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arkansas department of transportation.
Busiest bridges in Jefferson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-530 Ml Lm 23.86 over Creek (Jefferson Exit) | 1975 | 24,977 | Good |
| I-530 Ml Lm 23.27 over Simpson Creek | 1976 | 22,000 | Good |
| I-530 Ml Lm 30.49 over Arnold Creek | 1975 | 21,000 | Good |
| I-530 Ml Lm 28.24 over South Fork Caney Bayou | 1977 | 19,188 | Good |
| I-530 Ml Lm 26.41 over Ditch | 1975 | 19,188 | Good |
| I-530 NB Lm 40.94 over Old Warren Road | 1998 | 17,449 | Good |
All bridges nearby: Jefferson County, AR bridge conditions · every bridge in Jefferson County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.