US Bridges

Independence DR over N Br of Flat CR

Fair

Franklin County, Missouri · S 22 T 43 N R 1 W · Structure no. 23754

Built
1986
39 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
2,550
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Independence DR over N Br of Flat CR is a concrete culvert carrying Independence DR over N Br of Flat CR in Franklin County, Missouri. It was built in 1986, so it is 39 years old, younger 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 2,550 vehicles a day, roughly 5% of them trucks, projected to reach 4,080 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIndependence DR
CrossesN Br of Flat CR
LocationS 22 T 43 N R 1 W
RouteCity Street 0
Coordinates38.45898, -91.02214
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic4,080 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Independence DR over N Br of Flat CR built?

It was built in 1986, making it 39 years old in 2025.

What condition is Independence DR over N Br of Flat 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 February 2025.

How much traffic does Independence DR over N Br of Flat CR carry?

About 2,550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Independence DR over N Br of Flat CR?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns Independence DR over N Br of Flat CR?

It is owned by the City or Municipal Highway Agency.