US Bridges

Mission RD over White Br

Fair

Vernon County, Missouri · S 32 T 36 N R 31 W · Structure no. 22177

Built
1991
34 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
53 ft
3 main spans
Daily traffic
400
2023 count
Owner
County
County Highway Agency

About this bridge

Mission RD over White Br is a concrete culvert carrying Mission RD over White Br in Vernon County, Missouri. It was built in 1991, so it is 34 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 400 vehicles a day, roughly 10% of them trucks, projected to reach 540 by 2043. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesMission RD
CrossesWhite Br
LocationS 32 T 36 N R 31 W
RouteCounty Highway 343
Coordinates37.8587, -94.37519
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic540 by 2043
Trucks10%
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 Mission RD over White Br built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mission RD over White Br 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 2023.

How much traffic does Mission RD over White Br carry?

About 400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Mission RD over White Br?

The structure is 53 ft (16.2 m) long with a longest span of 15 ft (4.6 m).

Who owns Mission RD over White Br?

It is owned by the County Highway Agency.