US Bridges

Mo 34 E over Mckenzie CR

Fair

Wayne County, Missouri · S 23 T 29 N R 3 E · Structure no. 5872

Built
1952
73 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Concrete
Length
160 ft
4 main spans
Daily traffic
4,317
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 1952, so it is 73 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 4,317 vehicles a day, roughly 29% of them trucks, projected to reach 7,555 by 2044. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesMo 34 E
CrossesMckenzie CR
LocationS 23 T 29 N R 3 E
RouteState Highway 34
Coordinates37.16679, -90.68368
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length160 ft (48.8 m)
Longest span48 ft (14.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,317 (2024)
Projected traffic7,555 by 2044
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 34 E over Mckenzie CR built?

It was built in 1952, making it 73 years old in 2025.

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 4,317 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is Mo 34 E over Mckenzie CR?

The structure is 160 ft (48.8 m) long with a longest span of 48 ft (14.5 m) and a deck 26 ft wide.

Who owns Mo 34 E over Mckenzie CR?

It is owned by the State Highway Agency.