US Bridges

Mo 34 E over Polar Bear CR

Fair

Wayne County, Missouri · S 2 T 29 N R 6 E · Structure no. 4777

Built
1924
101 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
1,366
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 34 E over Polar Bear CR is a concrete continuous culvert carrying Mo 34 E over Polar Bear CR in Wayne County, Missouri. It was built in 1924, so it is 101 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 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 1,366 vehicles a day, roughly 7% of them trucks, projected to reach 2,391 by 2044. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesMo 34 E
CrossesPolar Bear CR
LocationS 2 T 29 N R 6 E
RouteState Highway 34
Coordinates37.21429, -90.35892
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,366 (2024)
Projected traffic2,391 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 34 E over Polar Bear CR built?

It was built in 1924, making it 101 years old in 2025.

What condition is Mo 34 E over Polar Bear 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 February 2024.

How much traffic does Mo 34 E over Polar Bear CR carry?

About 1,366 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 34 E over Polar Bear CR?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Mo 34 E over Polar Bear CR?

It is owned by the State Highway Agency.