US Bridges

US 36 E over Winn CR

Fair

Macon County, Missouri · S 9 T 57 N R 13 W · Structure no. 4744

Built
1925
100 years old, rebuilt 2007
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
10,888
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Winn CR is a concrete continuous culvert carrying US 36 E over Winn CR in Macon County, Missouri. It was built in 1925 and reconstructed in 2007, so it is 100 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 10,888 vehicles a day, roughly 37% of them trucks, projected to reach 19,054 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesUS 36 E
CrossesWinn CR
LocationS 9 T 57 N R 13 W
RouteU.S. Route 36
Coordinates39.75032, -92.36669
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,888 (2024)
Projected traffic19,054 by 2044
Trucks37%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 E over Winn CR built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2007.

What condition is US 36 E over Winn 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 September 2023.

How much traffic does US 36 E over Winn CR carry?

About 10,888 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is US 36 E over Winn CR?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m).

Who owns US 36 E over Winn CR?

It is owned by the State Highway Agency.