Mo 79 S over Grassy CR
Pike County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 79 S over Grassy CR in Pike County, Missouri, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 802 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 131 of the 224 inventoried bridges in Pike County rated fair (58.5%); 17 (7.6%) 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 December 2024, on a 24-month routine inspection cycle.
- 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 → (39.4709, -91.10206)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 242 ft |
| Location | S 10 T 54 N R 2 W |
| NBI structure number | 3296 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2024 |
| 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 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.