County Rd 439 over Shady CR
Pike County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 439 over Shady CR in Pike County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1900, making it 125 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 17 of the 224 inventoried bridges in Pike County rated poor (7.6%); 17 (7.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: newly posted for load since 2024.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (39.26033, -91.40617)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 49 ft |
| Location | S 24 T 52 N R 5 W |
| NBI structure number | 17046 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Pike County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 S over Town Br | 1996 | 13,697 | Fair |
| US 61 S over Br Peno CR | 1993 | 13,158 | Fair |
| US 61 S over Trib Spencer CR | 1952 | 13,077 | Fair |
| Georgia St over Town Br | 1950 | 8,400 | Poor |
| US 61 N over Crd 292 | 1978 | 7,493 | Fair |
| US 61 N over Crd Business 54 | 1978 | 7,493 | Fair |
All bridges nearby: Pike County, MO bridge conditions · every bridge in Pike County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.