US Bridges

Mo 15 S over Crooked CR

Fair

Monroe County, Missouri · S 32 T 56 N R 10 W · Structure no. 3574

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
197 ft
4 main spans
Daily traffic
849
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 15 S over Crooked CR is a prestressed concrete tee beam carrying Mo 15 S over Crooked CR in Monroe County, Missouri. It was built in 1985, so it is 40 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 849 vehicles a day, roughly 23% of them trucks, projected to reach 1,316 by 2044. The structure is 197 ft (60 m) long and 39 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 15 S
CrossesCrooked CR
LocationS 32 T 56 N R 10 W
RouteState Highway 15
Coordinates39.6078, -92.03622
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length197 ft (60 m)
Longest span50 ft (15.1 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic849 (2024)
Projected traffic1,316 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

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 15 S over Crooked CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mo 15 S over Crooked 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 2024.

How much traffic does Mo 15 S over Crooked CR carry?

About 849 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is Mo 15 S over Crooked CR?

The structure is 197 ft (60 m) long with a longest span of 50 ft (15.1 m) and a deck 39 ft wide.

Who owns Mo 15 S over Crooked CR?

It is owned by the State Highway Agency.