US Bridges

Mo 34 E over Mckenzie CR

Fair

Wayne County, Missouri · S 35 T 29 N R 3 E · Structure no. 5675

Built
1933
92 years old, rebuilt 1989
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
150 ft
4 main spans
Daily traffic
4,874
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 34 E over Mckenzie CR is a concrete tee beam carrying Mo 34 E over Mckenzie CR in Wayne County, Missouri. It was built in 1933 and reconstructed in 1989, so it is 92 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 4,874 vehicles a day, roughly 18% of them trucks, projected to reach 8,530 by 2044. The structure is 150 ft (45.7 m) long and 30 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesMo 34 E
CrossesMckenzie CR
LocationS 35 T 29 N R 3 E
RouteState Highway 34
CountyWayne County
StateMissouri
Coordinates37.14884, -90.70005
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length150 ft (45.7 m)
Longest span37 ft (11.4 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,874 (2024)
Projected traffic8,530 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed39.8 mi (64 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 34 E over Mckenzie CR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1989.

What condition is Mo 34 E over Mckenzie 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 December 2023.

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

About 4,874 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Mo 34 E over Mckenzie CR?

The structure is 150 ft (45.7 m) long with a longest span of 37 ft (11.4 m) and a deck 30 ft wide.

Who owns Mo 34 E over Mckenzie CR?

It is owned by the State Highway Agency.