Mo 13 S over Polecat CR
Harrison County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 13 S over Polecat CR in Harrison County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1937 and reconstructed in 2007, making it 88 years old at the 2025 inventory.
- It carries about 1,981 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 126 of the 331 inventoried bridges in Harrison County rated fair (38.1%); 74 (22.4%) are rated poor.
- 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 → (40.22048, -94.02354)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 212 ft |
| Location | S 35 T 63 N R 28 W |
| NBI structure number | 5691 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Harrison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 35 S over Bracken Br | 1968 | 15,191 | Fair |
| Is 35 S over Barber CR | 1968 | 15,191 | Fair |
| Is 35 S over Lit Pole Cat CR | 1975 | 14,537 | Fair |
| Is 35 S over Zadie CR | 1968 | 7,850 | Fair |
| Is 35 S over Crd E 100 St | 1969 | 7,850 | Fair |
| Is 35 N over Sp 69 Abandoned RR | 1972 | 7,564 | Fair |
All bridges nearby: Harrison County, MO bridge conditions · every bridge in Harrison County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.