US Bridges

Mo 8 E over Courtois CR

Fair

Crawford County, Missouri · S 13 T 37 N R 2 W · Structure no. 3481

Built
1984
41 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
426 ft
5 main spans
Daily traffic
1,589
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 8 E over Courtois CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 8 E over Courtois CR in Crawford County, Missouri. It was built in 1984, so it is 41 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 1,589 vehicles a day, roughly 23% of them trucks, projected to reach 3,019 by 2044. The structure is 426 ft (129.8 m) long and 41 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesMo 8 E
CrossesCourtois CR
LocationS 13 T 37 N R 2 W
RouteState Highway 8
Coordinates37.91785, -91.10082
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length426 ft (129.8 m)
Longest span86 ft (26.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,589 (2024)
Projected traffic3,019 by 2044
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemYes

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 8 E over Courtois CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mo 8 E over Courtois 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 May 2024.

How much traffic does Mo 8 E over Courtois CR carry?

About 1,589 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is Mo 8 E over Courtois CR?

The structure is 426 ft (129.8 m) long with a longest span of 86 ft (26.1 m) and a deck 41 ft wide.

Who owns Mo 8 E over Courtois CR?

It is owned by the State Highway Agency.