US Bridges

Rt O S over W Fork CR

Fair

Polk County, Missouri · S 8 T 34 N R 23 W · Structure no. 8022

Built
1956
69 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
537
2024 count
Owner
State
State Highway Agency

About this bridge

Rt O S over W Fork CR is a concrete continuous culvert carrying Rt O S over W Fork CR in Polk County, Missouri. It was built in 1956, so it is 69 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 5 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 537 vehicles a day, roughly 10% of them trucks, projected to reach 859 by 2044. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesRt O S
CrossesW Fork CR
LocationS 8 T 34 N R 23 W
RouteState Highway 0O
CountyPolk County
StateMissouri
Coordinates37.69751, -93.47755
Functional classRural Minor 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length40 ft (12.2 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 traffic537 (2024)
Projected traffic859 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 O S over W Fork CR built?

It was built in 1956, making it 69 years old in 2025.

What condition is Rt O S over W Fork 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 November 2023.

How much traffic does Rt O S over W Fork CR carry?

About 537 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt O S over W Fork CR?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Rt O S over W Fork CR?

It is owned by the State Highway Agency.