US Bridges

SE Harris RD over Wamsley CR

Good

DeKalb County, Missouri · S 27 T 58 N R 30 W · Structure no. 24103

Built
1993
32 years old
Condition
Good
inspected February 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

SE Harris RD over Wamsley CR is a prestressed concrete continuous tee beam carrying SE Harris RD over Wamsley CR in DeKalb County, Missouri. It was built in 1993, so it is 32 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 123 ft (37.5 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSE Harris RD
CrossesWamsley CR
LocationS 27 T 58 N R 30 W
RouteCounty Highway 457
Coordinates39.81797, -94.24488
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic35 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 SE Harris RD over Wamsley CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is SE Harris RD over Wamsley 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 February 2023.

How much traffic does SE Harris RD over Wamsley CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE Harris RD over Wamsley CR?

The structure is 123 ft (37.5 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns SE Harris RD over Wamsley CR?

It is owned by the County Highway Agency.