County Rd 551 over Old Castor Rvr
Stoddard County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 551 over Old Castor Rvr in Stoddard County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 1 (imminent failure condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 18 of the 436 inventoried bridges in Stoddard County rated poor (4.1%); 18 (4.1%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- It was rated good in the 2024 inventory and is now poor (substructure 7 to 1).
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated January 2025, on a 24-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 → (36.94768, -89.84192)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 1 | Imminent failure condition |
Bridge details
| Structure | Concrete single box beam |
| Length | about 166 ft |
| Location | S 34 T 27 N R 11 E |
| NBI structure number | 14047 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Stoddard County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 60 E over Old Lick CR | 1956 | 17,901 | Good |
| US 60 E over Dexter CR | 1960 | 15,916 | Fair |
| US 60 E over Drain Dtch #41 | 1960 | 13,389 | Fair |
| US 60 E over Drain Dtch | 1960 | 13,340 | Fair |
| US 60 E over Dexter CR | 1960 | 13,265 | Good |
| US 60 E over Main Dtch #4 | 1995 | 10,918 | Good |
All bridges nearby: Stoddard County, MO bridge conditions · every bridge in Stoddard County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.