US Bridges

Mo 291 S over Missouri Rvr

Fair

Jackson County, Missouri · S 12 T 50 N R 32 W · Structure no. 3890

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel Continuous
Length
1,896 ft
2 main spans
Daily traffic
17,106
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 291 S over Missouri Rvr is a steel continuous truss - thru carrying Mo 291 S over Missouri Rvr in Jackson County, Missouri. It was built in 1996, so it is 29 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 17,106 vehicles a day, roughly 13% of them trucks, projected to reach 23,093 by 2044. The structure is 1,896 ft (577.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMo 291 S
CrossesMissouri Rvr
LocationS 12 T 50 N R 32 W
RouteState Highway 291
CountyJackson County
StateMissouri
Coordinates39.16771, -94.3952
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+8 approach)
Design loadHS 25 or greater
Structure length1,896 ft (577.9 m)
Longest span460 ft (140.1 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic17,106 (2024)
Projected traffic23,093 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Mo 291 S over Missouri Rvr built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mo 291 S over Missouri Rvr 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 August 2023.

How much traffic does Mo 291 S over Missouri Rvr carry?

About 17,106 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 291 S over Missouri Rvr?

The structure is 1,896 ft (577.9 m) long with a longest span of 460 ft (140.1 m) and a deck 43 ft wide.

Who owns Mo 291 S over Missouri Rvr?

It is owned by the State Highway Agency.