US Bridges

Mo 291 S over Smart CR

Fair

Cass County, Missouri · S 29 T 46 N R 31 W · Structure no. 5236

Built
1929
96 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
8,738
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 291 S over Smart CR is a concrete continuous culvert carrying Mo 291 S over Smart CR in Cass County, Missouri. It was built in 1929, so it is 96 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 8,738 vehicles a day, roughly 12% of them trucks, projected to reach 15,292 by 2044. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesMo 291 S
CrossesSmart CR
LocationS 29 T 46 N R 31 W
RouteState Highway 291
CountyCass County
StateMissouri
Coordinates38.77901, -94.37484
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,738 (2024)
Projected traffic15,292 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Smart CR built?

It was built in 1929, making it 96 years old in 2025.

What condition is Mo 291 S over Smart CR 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 2023.

How much traffic does Mo 291 S over Smart CR carry?

About 8,738 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mo 291 S over Smart CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Mo 291 S over Smart CR?

It is owned by the State Highway Agency.