US Bridges

Market ST over ST Clair CR

Fair

Marion County, Missouri · S 36 T 57 N R 5 W · Structure no. 28272

Built
1932
93 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
3,450
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Market ST over ST Clair CR is a concrete culvert carrying Market ST over ST Clair CR in Marion County, Missouri. It was built in 1932, so it is 93 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 3,450 vehicles a day, roughly 10% of them trucks, projected to reach 4,658 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMarket ST
CrossesST Clair CR
LocationS 36 T 57 N R 5 W
RouteCity Street 0
CountyMarion County
StateMissouri
Coordinates39.68547, -91.40294
Functional classUrban 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2023)
Projected traffic4,658 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Market ST over ST Clair CR built?

It was built in 1932, making it 93 years old in 2025.

What condition is Market ST over ST Clair 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 March 2023.

How much traffic does Market ST over ST Clair CR carry?

About 3,450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Market ST over ST Clair CR?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Market ST over ST Clair CR?

It is owned by the City or Municipal Highway Agency.