US Bridges

Mo 291 N over Mill CR

Fair

Jackson County, Missouri · S 13 T 50 N R 32 W · Structure no. 11774

Built
1999
26 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
12,223
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 291 N over Mill CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 291 N over Mill CR in Jackson County, Missouri. It was built in 1999, so it is 26 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 12,223 vehicles a day, roughly 13% of them trucks, projected to reach 16,501 by 2044. The structure is 148 ft (45.1 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMo 291 N
CrossesMill CR
LocationS 13 T 50 N R 32 W
RouteState Highway 291
Coordinates39.14507, -94.39046
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 protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length148 ft (45.1 m)
Longest span50 ft (15.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,223 (2024)
Projected traffic16,501 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 291 N over Mill CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Mo 291 N over Mill 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 October 2023.

How much traffic does Mo 291 N over Mill CR carry?

About 12,223 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Mo 291 N over Mill CR?

The structure is 148 ft (45.1 m) long with a longest span of 50 ft (15.1 m) and a deck 41 ft wide.

Who owns Mo 291 N over Mill CR?

It is owned by the State Highway Agency.