Rt M S over Is 70
Callaway County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt M S over Is 70 in Callaway County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1961 and reconstructed in 2009, making it 64 years old at the 2025 inventory.
- It carries about 896 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 173 of the 305 inventoried bridges in Callaway County rated fair (56.7%); 19 (6.2%) 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 October 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 → (38.95219, -92.00864)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 201 ft |
| Location | S 11 T 48 N R 10 W |
| NBI structure number | 6612 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Callaway County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Whetstone CR | 1963 | 40,377 | Fair |
| US 54 E over Halifax Br | 1957 | 38,978 | Fair |
| US 54 E over Halifax Br | 1957 | 38,634 | Fair |
| Is 70 E over Sallees CR | 1925 | 38,592 | Fair |
| Is 70 E over Mckinney CR | 1963 | 38,543 | Fair |
| Is 70 E over Maddox Br | 1963 | 38,543 | Fair |
All bridges nearby: Callaway County, MO bridge conditions · every bridge in Callaway County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.