Rt C E over Big Muddy CR
St. Clair County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt C E over Big Muddy CR in St. Clair County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 763 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 27 of the 139 inventoried bridges in St. Clair County rated poor (19.4%); 27 (19.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now poor (deck 5 to 3, superstructure 5 to 3).
- Its most recent inspection on record is dated September 2024, on a 12-month routine inspection cycle.
- 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 → (38.1456, -93.64599)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 3 | Serious condition |
| Superstructure | 5 | 3 | Serious condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 214 ft |
| Location | S 14 T 39 N R 25 W |
| NBI structure number | 2995 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in St. Clair County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 13 S over Gallinipper CR Br | 1963 | 17,473 | Fair |
| Mo 13 S over Coon CR | 2006 | 14,028 | Fair |
| Mo 13 S over Coon CR | 2006 | 12,790 | Good |
| Mo 13 S over Osage Rvr (truman | 1974 | 11,746 | Fair |
| Mo 13 N over Osage Rvr (truman | 2000 | 9,080 | Fair |
| Mo 13 N over Otter CR | 1963 | 8,984 | Poor |
All bridges nearby: St. Clair County, MO bridge conditions · every bridge in St. Clair County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.