US Bridges

Mo 41 S over Missouri Rvr

Good

Carroll County, Missouri · S 4 T 52 N R 21 W · Structure no. 6027

Built
1939
86 years old, rebuilt 2009
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,100 ft
3 main spans
Daily traffic
1,096
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 41 S over Missouri Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 41 S over Missouri Rvr in Carroll County, Missouri. It was built in 1939 and reconstructed in 2009, so it is 86 years old, older 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 1,096 vehicles a day, roughly 22% of them trucks, projected to reach 1,425 by 2044. The structure is 2,100 ft (640.1 m) long and 28 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesMo 41 S
CrossesMissouri Rvr
LocationS 4 T 52 N R 21 W
RouteState Highway 41
Coordinates39.32968, -93.22589
Functional classRural Minor Arterial

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+12 approach)
Design loadH 15
Structure length2,100 ft (640.1 m)
Longest span474 ft (144.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,096 (2024)
Projected traffic1,425 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Mo 41 S over Missouri Rvr built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2009.

What condition is Mo 41 S over Missouri Rvr 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 June 2023.

How much traffic does Mo 41 S over Missouri Rvr carry?

About 1,096 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Mo 41 S over Missouri Rvr?

The structure is 2,100 ft (640.1 m) long with a longest span of 474 ft (144.5 m) and a deck 28 ft wide.

Who owns Mo 41 S over Missouri Rvr?

It is owned by the State Highway Agency.