US Bridges

Is 70 W over Chouteau CR

Fair

Cooper County, Missouri · S 16 T 48 N R 18 W · Structure no. 4120

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
290 ft
3 main spans
Daily traffic
16,203
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Chouteau CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 70 W over Chouteau CR in Cooper County, Missouri. It was built in 1992, so it is 33 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 16,203 vehicles a day, roughly 24% of them trucks, projected to reach 29,165 by 2044. The structure is 290 ft (88.4 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesChouteau CR
LocationS 16 T 48 N R 18 W
RouteInterstate 70
CountyCooper County
StateMissouri
Coordinates38.93493, -92.90036
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span94 ft (28.5 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,203 (2024)
Projected traffic29,165 by 2044
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 70 W over Chouteau CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Is 70 W over Chouteau 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 July 2023.

How much traffic does Is 70 W over Chouteau CR carry?

About 16,203 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Is 70 W over Chouteau CR?

The structure is 290 ft (88.4 m) long with a longest span of 94 ft (28.5 m) and a deck 39 ft wide.

Who owns Is 70 W over Chouteau CR?

It is owned by the State Highway Agency.