US Bridges

Mo 141 S over Maryville CR Ovrfl

Fair

St. Louis County, Missouri · S 109 T 45 N R 5 E · Structure no. 33814

Built
2010
15 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
29,021
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 141 S over Maryville CR Ovrfl is a concrete continuous culvert carrying Mo 141 S over Maryville CR Ovrfl in St. Louis County, Missouri. It was built in 2010, so it is 15 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 29,021 vehicles a day, roughly 5% of them trucks, projected to reach 36,276 by 2044. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 141 S
CrossesMaryville CR Ovrfl
LocationS 109 T 45 N R 5 E
RouteState Highway 141
Coordinates38.65845, -90.5055
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,021 (2024)
Projected traffic36,276 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 141 S over Maryville CR Ovrfl built?

It was built in 2010, making it 15 years old in 2025.

What condition is Mo 141 S over Maryville CR Ovrfl 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 November 2023.

How much traffic does Mo 141 S over Maryville CR Ovrfl carry?

About 29,021 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 141 S over Maryville CR Ovrfl?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.5 m).

Who owns Mo 141 S over Maryville CR Ovrfl?

It is owned by the State Highway Agency.