US Bridges

Mo 41 S over Slough Creek

Fair

Cooper County, Missouri · S 1 T 49 N R 19 W · Structure no. 5391

Built
1930
95 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
851
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 41 S over Slough Creek is a concrete tee beam carrying Mo 41 S over Slough Creek in Cooper County, Missouri. It was built in 1930, so it is 95 years old, older 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 851 vehicles a day, roughly 21% of them trucks, projected to reach 1,149 by 2044. The structure is 48 ft (14.6 m) long and 21 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMo 41 S
CrossesSlough Creek
LocationS 1 T 49 N R 19 W
RouteState Highway 41
CountyCooper County
StateMissouri
Coordinates39.04279, -92.94764
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length48 ft (14.6 m)
Longest span48 ft (14.5 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic851 (2024)
Projected traffic1,149 by 2044
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$408,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 41 S over Slough Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Mo 41 S over Slough Creek 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 July 2023.

How much traffic does Mo 41 S over Slough Creek carry?

About 851 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is Mo 41 S over Slough Creek?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.5 m) and a deck 21 ft wide.

Who owns Mo 41 S over Slough Creek?

It is owned by the State Highway Agency.