US Bridges

Mo 34 E over Clark CR

Poor

Wayne County, Missouri · S 17 T 29 N R 5 E · Structure no. 1075

Built
1965
60 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
3 main spans
Daily traffic
3,308
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 34 E over Clark CR is a steel continuous stringer/multi-beam or girder carrying Mo 34 E over Clark CR in Wayne County, Missouri. It was built in 1965, so it is 60 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,308 vehicles a day, roughly 18% of them trucks, projected to reach 5,789 by 2044. The structure is 182 ft (55.5 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 34 E
CrossesClark CR
LocationS 17 T 29 N R 5 E
RouteState Highway 34
Coordinates37.18845, -90.52103
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,308 (2024)
Projected traffic5,789 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 34 E over Clark CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Mo 34 E over Clark CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Mo 34 E over Clark CR carry?

About 3,308 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Mo 34 E over Clark CR?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns Mo 34 E over Clark CR?

It is owned by the State Highway Agency.