US Bridges

Mo 15 S over Matts CR

Fair

Monroe County, Missouri · S 23 T 53 N R 10 W · Structure no. 4875

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,342
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 15 S over Matts CR is a concrete continuous culvert carrying Mo 15 S over Matts 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 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 1,342 vehicles a day, roughly 11% of them trucks, projected to reach 2,080 by 2044. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesMo 15 S
CrossesMatts CR
LocationS 23 T 53 N R 10 W
RouteState Highway 15
Coordinates39.36312, -92.00508
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating44.6 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 width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,342 (2024)
Projected traffic2,080 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Matts CR built?

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

What condition is Mo 15 S over Matts 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 Matts CR carry?

About 1,342 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 15 S over Matts CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns Mo 15 S over Matts CR?

It is owned by the State Highway Agency.