US Bridges

Is 70 E over Auxvasse CR

Fair

Callaway County, Missouri · S 17 T 48 N R 8 W · Structure no. 3923

Built
1989
36 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
383 ft
6 main spans
Daily traffic
18,790
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 E over Auxvasse CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 70 E over Auxvasse CR in Callaway County, Missouri. It was built in 1989, so it is 36 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 18,790 vehicles a day, roughly 36% of them trucks, projected to reach 34,762 by 2044. The structure is 383 ft (116.7 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 70 E
CrossesAuxvasse CR
LocationS 17 T 48 N R 8 W
RouteInterstate 70
Coordinates38.93607, -91.84335
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating67.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length383 ft (116.7 m)
Longest span80 ft (24.4 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,790 (2024)
Projected traffic34,762 by 2044
Trucks36%
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 E over Auxvasse CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Is 70 E over Auxvasse 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 October 2024.

How much traffic does Is 70 E over Auxvasse CR carry?

About 18,790 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is Is 70 E over Auxvasse CR?

The structure is 383 ft (116.7 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.

Who owns Is 70 E over Auxvasse CR?

It is owned by the State Highway Agency.