Is 70 E over Big CR
Warren County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Is 70 E over Big CR in Warren County, Missouri, 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 1949 and reconstructed in 1997, making it 76 years old at the 2025 inventory.
- It carries about 42,532 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 96 of the 151 inventoried bridges in Warren County rated fair (63.6%); 9 (6.0%) 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 → (38.82143, -91.14869)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 38 ft |
| Location | S 20 T 47 N R 3 W |
| NBI structure number | 6156 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Warren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Camp CR | 1953 | 34,545 | Fair |
| Mo 47 S over NS RR | 1978 | 19,531 | Good |
| Mo 47 S over Is 70 | 1990 | 19,392 | Fair |
| Mo 47 S over Missouri Rvr UP RR | 2017 | 16,108 | Good |
| Mo 47 S over Lake CR | 2014 | 14,764 | Good |
| Mo 47 S over Big CR | 1985 | 10,561 | Fair |
All bridges nearby: Warren County, MO bridge conditions · every bridge in Warren County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.