US Bridges

Or 36 W over S Fk of North Rvr

Fair

Marion County, Missouri · S 12 T 56 N R 8 W · Structure no. 4783

Built
1925
100 years old, rebuilt 1953
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,822
2024 count
Owner
State
State Highway Agency

About this bridge

Or 36 W over S Fk of North Rvr is a concrete continuous culvert carrying Or 36 W over S Fk of North Rvr in Marion County, Missouri. It was built in 1925 and reconstructed in 1953, 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 5,822 vehicles a day, roughly 6% of them trucks, projected to reach 8,442 by 2044. The structure is 25 ft (7.6 m) long and 33 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesOr 36 W
CrossesS Fk of North Rvr
LocationS 12 T 56 N R 8 W
RouteState Highway 36
CountyMarion County
StateMissouri
Coordinates39.65777, -91.75216
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,822 (2024)
Projected traffic8,442 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

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 Or 36 W over S Fk of North Rvr built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1953.

What condition is Or 36 W over S Fk of North Rvr 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 October 2023.

How much traffic does Or 36 W over S Fk of North Rvr carry?

About 5,822 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Or 36 W over S Fk of North Rvr?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 33 ft wide.

Who owns Or 36 W over S Fk of North Rvr?

It is owned by the State Highway Agency.