US 169 S over Mid Fk Grand Rvr
Gentry County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 169 S over Mid Fk Grand Rvr in Gentry County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1961 and reconstructed in 2020, making it 64 years old at the 2025 inventory.
- It carries about 601 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 84 of the 247 inventoried bridges in Gentry County rated fair (34.0%); 33 (13.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (deck 9 to 7, superstructure 7 to 6).
- Its most recent inspection on record is dated May 2024, 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 fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (40.3328, -94.41066)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 7 | Good condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 429 ft |
| Location | S 20 T 64 N R 31 W |
| NBI structure number | 527 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| 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 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.