Frontier Ln over Bear CR
Adair County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Frontier Ln over Bear CR in Adair County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 185 of the 301 inventoried bridges in Adair County rated good (61.5%); 17 (5.6%) are rated poor.
- 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 → (40.09289, -92.45919)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 80 ft |
| Location | S 10 T 61 N R 14 W |
| NBI structure number | 21999 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Adair County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over Steer CR | 1995 | 15,108 | Fair |
| Mo 6 E over Steer CR | 1995 | 13,826 | Fair |
| US 63 S over Long Branch CR | 1925 | 8,532 | Fair |
| US 63 S over Unnamed Stream | 2009 | 7,393 | Fair |
| US 63 S over Floyd CR | 1987 | 7,393 | Fair |
| Mo 11 S over Bear CR Br | 1925 | 5,924 | Fair |
All bridges nearby: Adair County, MO bridge conditions · every bridge in Adair County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.