512 Th Road over Br of Mid Fk Grand
Gentry County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 512 Th Road over Br of Mid Fk Grand in Gentry County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 15 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 130 of the 247 inventoried bridges in Gentry County rated good (52.6%); 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 January 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.3653, -94.41935)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 57 ft |
| Location | S 8 T 64 N R 31 W |
| NBI structure number | 31682 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
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.