US Bridges

Mo 53 S over Slough

Fair

Dunklin County, Missouri · S 29 T 22 N R 9 E · Structure no. 30118

Built
2004
21 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
4,211
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 53 S over Slough is a concrete continuous culvert carrying Mo 53 S over Slough in Dunklin County, Missouri. It was built in 2004, so it is 21 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 4,211 vehicles a day, roughly 32% of them trucks, projected to reach 7,369 by 2044. The structure is 33 ft (10.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMo 53 S
CrossesSlough
LocationS 29 T 22 N R 9 E
RouteState Highway 53
Coordinates36.52674, -90.11319
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 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating99.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,211 (2024)
Projected traffic7,369 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Mo 53 S over Slough built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mo 53 S over Slough 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 November 2024.

How much traffic does Mo 53 S over Slough carry?

About 4,211 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is Mo 53 S over Slough?

The structure is 33 ft (10.2 m) long with a longest span of 11 ft (3.3 m).

Who owns Mo 53 S over Slough?

It is owned by the State Highway Agency.