US Bridges

Mo 15 S over CR

Fair

Monroe County, Missouri · S 11 T 54 N R 10 W · Structure no. 4894

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
45 ft
2 main spans
Daily traffic
2,320
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 15 S over CR is a concrete continuous culvert carrying Mo 15 S over CR in Monroe County, Missouri. It was built in 1925, so it is 100 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 5 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 2,320 vehicles a day, roughly 11% of them trucks, projected to reach 3,596 by 2044. The structure is 45 ft (13.8 m) long and 40 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMo 15 S
CrossesCR
LocationS 11 T 54 N R 10 W
RouteState Highway 15
Coordinates39.47786, -92.00025
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length45 ft (13.8 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,320 (2024)
Projected traffic3,596 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CR built?

It was built in 1925, making it 100 years old in 2025.

What condition is Mo 15 S over 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 CR carry?

About 2,320 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 15 S over CR?

The structure is 45 ft (13.8 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Mo 15 S over CR?

It is owned by the State Highway Agency.