512 Th Road over Owl CR
Gentry County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 512 Th Road over Owl CR in Gentry 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 2006, making it 19 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 33 of the 247 inventoried bridges in Gentry County rated poor (13.4%); 33 (13.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2023, 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 → (40.0938, -94.42191)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 43 ft |
| Location | S 17 T 61 N R 31 W |
| NBI structure number | 31968 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Gentry County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 136 E over E Fk Grand Rvr Ovf | 2002 | 3,181 | Fair |
| US 136 E over E Fk Grand Rvr | 2002 | 3,181 | Good |
| US 136 E over E Fk Grand Rvr Ovf | 2002 | 3,181 | Fair |
| US 136 E over Mid Fk Grand Rvr | 2001 | 2,433 | Fair |
| US 136 E over Mid Fk Grand Rvr | 2001 | 2,433 | Fair |
| US 136 E over Crockett CR | 1937 | 2,140 | Fair |
All bridges nearby: Gentry County, MO bridge conditions · every bridge in Gentry County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.