US Bridges

US 63 S over Floyd CR

Fair

Adair County, Missouri · S 16 T 63 N R 15 W · Structure no. 3790

Built
1987
38 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
7,393
2024 count
Owner
State
State Highway Agency

About this bridge

US 63 S over Floyd CR is a concrete continuous culvert carrying US 63 S over Floyd CR in Adair County, Missouri. It was built in 1987, so it is 38 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 7,393 vehicles a day, roughly 24% of them trucks, projected to reach 12,938 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 26.7 mi (43 km).

CarriesUS 63 S
CrossesFloyd CR
LocationS 16 T 63 N R 15 W
RouteU.S. Route 63
Coordinates40.26781, -92.58247
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,393 (2024)
Projected traffic12,938 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Floyd CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 63 S over Floyd 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 January 2024.

How much traffic does US 63 S over Floyd CR carry?

About 7,393 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is US 63 S over Floyd CR?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns US 63 S over Floyd CR?

It is owned by the State Highway Agency.