US Bridges

US 63 S over Bonne Femme CR

FairPosted for load

Boone County, Missouri · S 3 T 47 N R 12 W · Structure no. 2682

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
16,538
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Bonne Femme CR is a prestressed concrete continuous box beam or girders - multiple carrying US 63 S over Bonne Femme CR in Boone County, Missouri. It was built in 1973, so it is 52 years old, older 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. Its operating status is: posted for load restriction.

It carries about 16,538 vehicles a day, roughly 10% of them trucks, projected to reach 27,288 by 2044. The structure is 147 ft (44.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 63 S
CrossesBonne Femme CR
LocationS 3 T 47 N R 12 W
RouteU.S. Route 63
Coordinates38.87723, -92.25555
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span56 ft (17.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,538 (2024)
Projected traffic27,288 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 63 S over Bonne Femme CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is US 63 S 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 September 2023.

How much traffic does US 63 S over Bonne Femme CR carry?

About 16,538 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 63 S over Bonne Femme CR?

The structure is 147 ft (44.8 m) long with a longest span of 56 ft (17.1 m) and a deck 42 ft wide.

Who owns US 63 S over Bonne Femme CR?

It is owned by the State Highway Agency.