US Bridges

Andrew Sapp RD over Bonne Femme CR

Fair

Boone County, Missouri · S 35 T 47 N R 13 W · Structure no. 23678

Built
1981
44 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
181 ft
4 main spans
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Andrew Sapp RD over Bonne Femme CR is a prestressed concrete tee beam carrying Andrew Sapp RD over Bonne Femme CR in Boone County, Missouri. It was built in 1981, so it is 44 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 4% of them trucks, projected to reach 570 by 2043. The structure is 181 ft (55.2 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAndrew Sapp RD
CrossesBonne Femme CR
LocationS 35 T 47 N R 13 W
RouteCounty Highway 424
Coordinates38.81198, -92.34798
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.5 US tons
Inventory rating33.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length181 ft (55.2 m)
Longest span45 ft (13.7 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic570 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Andrew Sapp RD over Bonne Femme CR built?

It was built in 1981, making it 44 years old in 2025.

What condition is Andrew Sapp RD over Bonne Femme CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Andrew Sapp RD over Bonne Femme CR carry?

About 300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Andrew Sapp RD over Bonne Femme CR?

The structure is 181 ft (55.2 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns Andrew Sapp RD over Bonne Femme CR?

It is owned by the County Highway Agency.