US Bridges

Independence DR over Flat CR

FairPosted for load

Franklin County, Missouri · S 22 T 43 N R 1 W · Structure no. 23756

Built
1974
51 years old
Condition
Fair
inspected February 2025
Type
Culvert
Steel
Length
33 ft
1 main span
Daily traffic
2,241
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Independence DR over Flat CR is a steel culvert carrying Independence DR over Flat CR in Franklin County, Missouri. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.

It carries about 2,241 vehicles a day, roughly 5% of them trucks, projected to reach 3,586 by 2043. The structure is 33 ft (10.1 m) long and 75 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIndependence DR
CrossesFlat CR
LocationS 22 T 43 N R 1 W
RouteCity Street 0
CountyFranklin County
StateMissouri
Coordinates38.45517, -91.02542
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 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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width75 ft (22.9 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,241 (2023)
Projected traffic3,586 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Flat CR built?

It was built in 1974, making it 51 years old in 2025.

What condition is Independence DR over 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 Flat CR carry?

About 2,241 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Independence DR over Flat CR?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 75 ft wide.

Who owns Independence DR over Flat CR?

It is owned by the City or Municipal Highway Agency.