US 61 N over Is 55
Pemiscot County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 61 N over Is 55 in Pemiscot County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1971 and reconstructed in 1984, making it 54 years old at the 2025 inventory.
- It carries about 1,250 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 19 of the 207 inventoried bridges in Pemiscot County rated poor (9.2%); 19 (9.2%) are rated poor.
- 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 → (36.08993, -89.79568)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 4 | Poor condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 272 ft |
| Location | S 19 T 17 N R 12 E |
| NBI structure number | 1630 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Pemiscot County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 55 S over Drain Dtch No 7 | 1962 | 21,029 | Fair |
| Is 55 S over Main Dtch No 6 | 1969 | 19,915 | Fair |
| Is 55 S over Main Dtch No 6 | 1969 | 19,570 | Fair |
| Is 55 S over Drain Dtch No 4 | 1974 | 18,439 | Fair |
| Is 55 S over Drain Dtch No 12 | 1992 | 17,850 | Fair |
| Mo 84 E over Drain Dtch No 6 | 1930 | 14,654 | Fair |
All bridges nearby: Pemiscot County, MO bridge conditions · every bridge in Pemiscot County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.