Rt F S over Coon Crk
Boone County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt F S over Coon Crk in Boone County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2022, making it 3 years old at the 2025 inventory.
- It carries about 287 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 167 of the 335 inventoried bridges in Boone County rated good (49.9%); 12 (3.6%) 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 March 2025, 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 → (39.16472, -92.43493)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 133 ft |
| Location | S 36 T 51 N R 14 W |
| NBI structure number | 36911 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Boone County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Lp 70 | 2015 | 63,178 | Good |
| Is 70 E over Hominy CR | 1983 | 53,537 | Good |
| Is 70 E over Grindstone CR | 1949 | 47,500 | Fair |
| Is 70 E over Sugar Br | 1958 | 40,417 | Fair |
| US 63 S over Mo 740 | 1976 | 38,962 | Fair |
| US 63 S over Hominy CR | 2005 | 38,962 | Good |
All bridges nearby: Boone County, MO bridge conditions · every bridge in Boone County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.