Rt M S over Is 70
Cooper County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt M S over Is 70 in Cooper County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 313 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 6 of the 193 inventoried bridges in Cooper County rated poor (3.1%); 6 (3.1%) 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 → (38.93456, -92.91464)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 5 | Fair condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 207 ft |
| Location | S 8 T 48 N R 18 W |
| NBI structure number | 630 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Cooper County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Martins Br | 1992 | 32,786 | Fair |
| Is 70 E over UP RR | 1958 | 18,223 | Good |
| Is 70 E over Missouri Rvr Katy Trail | 2024 | 18,223 | Good |
| Is 70 W over UP RR | 1958 | 18,016 | Fair |
| Is 70 E over Lamine Rvr | 1962 | 16,583 | Fair |
| Is 70 E over Chouteau CR | 1992 | 16,583 | Fair |
All bridges nearby: Cooper County, MO bridge conditions · every bridge in Cooper County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.