US Bridges

Mo 291 S over NS RR Shoal CR

Good

Clay County, Missouri · S 29 T 51 N R 31 W · Structure no. 2163

Built
1969
56 years old, rebuilt 2018
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
879 ft
14 main spans
Daily traffic
14,921
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 291 S over NS RR Shoal CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 291 S over NS RR Shoal CR in Clay County, Missouri. It was built in 1969 and reconstructed in 2018, so it is 56 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 14,921 vehicles a day, roughly 13% of them trucks, projected to reach 26,858 by 2044. The structure is 879 ft (267.9 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 291 S
CrossesNS RR Shoal CR
LocationS 29 T 51 N R 31 W
RouteState Highway 291
Coordinates39.19764, -94.40175
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.5 US tons
Inventory rating28.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length879 ft (267.9 m)
Longest span65 ft (19.7 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,921 (2024)
Projected traffic26,858 by 2044
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 291 S over NS RR Shoal CR built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2018.

What condition is Mo 291 S over NS RR Shoal CR 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 May 2023.

How much traffic does Mo 291 S over NS RR Shoal CR carry?

About 14,921 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 291 S over NS RR Shoal CR?

The structure is 879 ft (267.9 m) long with a longest span of 65 ft (19.7 m) and a deck 41 ft wide.

Who owns Mo 291 S over NS RR Shoal CR?

It is owned by the State Highway Agency.