US Bridges

Bu 63 S over S Br Howell Valley

Fair

Howell County, Missouri · S 20 T 24 N R 8 W · Structure no. 5817

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
8,927
2024 count
Owner
State
State Highway Agency

About this bridge

Bu 63 S over S Br Howell Valley is a concrete continuous culvert carrying Bu 63 S over S Br Howell Valley in Howell 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 8,927 vehicles a day, roughly 3% of them trucks, projected to reach 14,283 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBu 63 S
CrossesS Br Howell Valley
LocationS 20 T 24 N R 8 W
RouteState Highway 63
Coordinates36.73893, -91.86919
Functional classUrban Minor Arterial

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 inspectionOctober 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 rating105.2 US tons
Inventory rating63.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic8,927 (2024)
Projected traffic14,283 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Bu 63 S over S Br Howell Valley built?

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

What condition is Bu 63 S over S Br Howell Valley 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 October 2024.

How much traffic does Bu 63 S over S Br Howell Valley carry?

About 8,927 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Bu 63 S over S Br Howell Valley?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Bu 63 S over S Br Howell Valley?

It is owned by the State Highway Agency.