US Bridges

Fox Hollow RD over Br Bonne Femme CR

Good

Boone County, Missouri · S 12 T 46 N R 13 W · Structure no. 28329

Built
1998
27 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Fox Hollow RD over Br Bonne Femme CR is a concrete slab carrying Fox Hollow RD over Br Bonne Femme CR in Boone County, Missouri. It was built in 1998, so it is 27 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 95 by 2043. The structure is 32 ft (9.8 m) long and 22 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFox Hollow RD
CrossesBr Bonne Femme CR
LocationS 12 T 46 N R 13 W
RouteCounty Highway 420
Coordinates38.78141, -92.33433
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating105.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadOther
Structure length32 ft (9.8 m)
Longest span12 ft (3.7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic95 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fox Hollow RD over Br Bonne Femme CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is Fox Hollow RD over Br Bonne Femme CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Fox Hollow RD over Br Bonne Femme CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Fox Hollow RD over Br Bonne Femme CR?

The structure is 32 ft (9.8 m) long with a longest span of 12 ft (3.7 m) and a deck 22 ft wide.

Who owns Fox Hollow RD over Br Bonne Femme CR?

It is owned by the County Highway Agency.