County Rd 156 over Muddy CR Br
Dade County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 156 over Muddy CR Br in Dade County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1920 and reconstructed in 1981, making it 105 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 8 of the 160 inventoried bridges in Dade County rated poor (5.0%); 8 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 6 to 5, superstructure 6 to 5.
- Its most recent inspection on record is dated January 2025, on a 12-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (37.35627, -94.07415)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 5 | Fair condition |
| Superstructure | 6 | 5 | Fair condition |
| Substructure | 3 | 3 | Serious condition |
Bridge details
| Structure | Concrete slab |
| Length | about 46 ft |
| Location | S 12 T 30 N R 29 W |
| NBI structure number | 24189 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Dade County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 160 E over Horse CR | 1969 | 1,938 | Fair |
| US 160 E over N Fk of Spring Rvr | 1928 | 1,938 | Fair |
| US 160 E over Sons CR | 1969 | 1,827 | Fair |
| US 160 E over Br of Sons CR | 1969 | 1,827 | Fair |
| US 160 E over Dry Br | 1928 | 1,607 | Fair |
| US 160 E over Kile CR | 1930 | 1,607 | Poor |
All bridges nearby: Dade County, MO bridge conditions · every bridge in Dade County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.