US Bridges

Rt O S over Flint CR

Good

Polk County, Missouri · S 6 T 24 N R 23 W · Structure no. 8021

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

About this bridge

Rt O S over Flint CR is a concrete continuous culvert carrying Rt O S over Flint 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 537 vehicles a day, roughly 10% of them trucks, projected to reach 859 by 2044. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRt O S
CrossesFlint CR
LocationS 6 T 24 N R 23 W
RouteState Highway 0O
Coordinates37.7232, -93.49014
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 Flint CR built?

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

What condition is Rt O S over Flint CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Rt O S over Flint CR carry?

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

How long is Rt O S over Flint CR?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Rt O S over Flint CR?

It is owned by the State Highway Agency.