US Bridges

US 36 W over Big Turkey CR Ovrf

Poor

Linn County, Missouri · S 4 T 57 N R 20 W · Structure no. 614

Built
1961
64 years old, rebuilt 2007
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
3 main spans
Daily traffic
5,215
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 W over Big Turkey CR Ovrf is a steel stringer/multi-beam or girder carrying US 36 W over Big Turkey CR Ovrf in Linn County, Missouri. It was built in 1961 and reconstructed in 2007, so it is 64 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 5,215 vehicles a day, roughly 40% of them trucks, projected to reach 9,126 by 2044. The structure is 89 ft (27.1 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 36 W
CrossesBig Turkey CR Ovrf
LocationS 4 T 57 N R 20 W
RouteU.S. Route 36
Coordinates39.77888, -93.14957
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length89 ft (27.1 m)
Longest span30 ft (9.2 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,215 (2024)
Projected traffic9,126 by 2044
Trucks40%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed0.6 mi (1 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$734,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 W over Big Turkey CR Ovrf built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2007.

What condition is US 36 W over Big Turkey CR Ovrf 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 September 2024.

How much traffic does US 36 W over Big Turkey CR Ovrf carry?

About 5,215 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is US 36 W over Big Turkey CR Ovrf?

The structure is 89 ft (27.1 m) long with a longest span of 30 ft (9.2 m) and a deck 32 ft wide.

Who owns US 36 W over Big Turkey CR Ovrf?

It is owned by the State Highway Agency.