US Bridges

Rt K S over Br of South Fk

Fair

Marion County, Missouri · S 5 T 57 N R 8 W · Structure no. 9524

Built
1935
90 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
126
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K S over Br of South Fk is a concrete continuous culvert carrying Rt K S over Br of South Fk in Marion County, Missouri. It was built in 1935, so it is 90 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 126 vehicles a day, roughly 26% of them trucks, projected to reach 183 by 2044. The structure is 21 ft (6.3 m) long and 29 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesRt K S
CrossesBr of South Fk
LocationS 5 T 57 N R 8 W
RouteState Highway 0K
CountyMarion County
StateMissouri
Coordinates39.77223, -91.81284
Functional classRural Major Collector

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic183 by 2044
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Rt K S over Br of South Fk built?

It was built in 1935, making it 90 years old in 2025.

What condition is Rt K S over Br of South Fk 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 Rt K S over Br of South Fk carry?

About 126 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Rt K S over Br of South Fk?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Rt K S over Br of South Fk?

It is owned by the State Highway Agency.