US Bridges

Is 70 W over Lamine Rvr

Fair

Cooper County, Missouri · S 7 T 48 N R 18 W · Structure no. 168

Built
1962
63 years old, rebuilt 2016
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
761 ft
4 main spans
Daily traffic
16,203
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Lamine Rvr is a steel continuous stringer/multi-beam or girder carrying Is 70 W over Lamine Rvr in Cooper County, Missouri. It was built in 1962 and reconstructed in 2016, so it is 63 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 5 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 761 ft (232 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesLamine Rvr
LocationS 7 T 48 N R 18 W
RouteInterstate 70
CountyCooper County
StateMissouri
Coordinates38.93406, -92.94149
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadHS 20
Structure length761 ft (232 m)
Longest span150 ft (45.7 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 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 Lamine Rvr built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2016.

What condition is Is 70 W over Lamine Rvr 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 Is 70 W over Lamine Rvr carry?

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

How long is Is 70 W over Lamine Rvr?

The structure is 761 ft (232 m) long with a longest span of 150 ft (45.7 m) and a deck 33 ft wide.

Who owns Is 70 W over Lamine Rvr?

It is owned by the State Highway Agency.