US Bridges

Crd S-47 over Flint CR

Good

Polk County, Missouri · S 6 T 34 N R 23 W · Structure no. 36644

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

Crd S-47 over Flint CR is a steel culvert carrying Crd S-47 over Flint CR in Polk County, Missouri. It was built in 2021, so it is 4 years old, younger 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 34 ft (10.4 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCrd S-47
CrossesFlint CR
LocationS 6 T 34 N R 23 W
RouteCounty Highway 126
Coordinates37.72036, -93.49778
Functional classRural Local

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span9 ft (2.7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crd S-47 over Flint CR built?

It was built in 2021, making it 4 years old in 2025.

What condition is Crd S-47 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 April 2024.

How much traffic does Crd S-47 over Flint CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Crd S-47 over Flint CR?

The structure is 34 ft (10.4 m) long with a longest span of 9 ft (2.7 m) and a deck 22 ft wide.

Who owns Crd S-47 over Flint CR?

It is owned by the County Highway Agency.