US Bridges

Rt Z E over Auxvasse CR

Good

Callaway County, Missouri · S 20 T 48 N R 8 W · Structure no. 3474

Built
1985
40 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
421
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Z E over Auxvasse CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Z E over Auxvasse CR in Callaway County, Missouri. It was built in 1985, so it is 40 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 421 vehicles a day, roughly 4% of them trucks, projected to reach 653 by 2044. The structure is 148 ft (45.1 m) long and 41 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesRt Z E
CrossesAuxvasse CR
LocationS 20 T 48 N R 8 W
RouteState Highway 0Z
Coordinates38.92686, -91.83623
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length148 ft (45.1 m)
Longest span50 ft (15.1 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic421 (2024)
Projected traffic653 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemNo

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 Rt Z E over Auxvasse CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is Rt Z E over Auxvasse CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Rt Z E over Auxvasse CR carry?

About 421 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt Z E over Auxvasse CR?

The structure is 148 ft (45.1 m) long with a longest span of 50 ft (15.1 m) and a deck 41 ft wide.

Who owns Rt Z E over Auxvasse CR?

It is owned by the State Highway Agency.