US Bridges

Rt Mm E over Carroll CR

Fair

Clay County, Missouri · S 8 T 53 N R 30 W · Structure no. 6713

Built
1957
68 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
379
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm E over Carroll CR is a concrete continuous culvert carrying Rt Mm E over Carroll CR in Clay County, Missouri. It was built in 1957, so it is 68 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 379 vehicles a day, roughly 8% of them trucks, projected to reach 587 by 2044. The structure is 32 ft (9.8 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRt Mm E
CrossesCarroll CR
LocationS 8 T 53 N R 30 W
RouteState Highway 0MM
Coordinates39.41875, -94.29932
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length32 ft (9.8 m)
Longest span11 ft (3.4 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic379 (2024)
Projected traffic587 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Mm E over Carroll CR built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rt Mm E over Carroll 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 2024.

How much traffic does Rt Mm E over Carroll CR carry?

About 379 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt Mm E over Carroll CR?

The structure is 32 ft (9.8 m) long with a longest span of 11 ft (3.4 m) and a deck 31 ft wide.

Who owns Rt Mm E over Carroll CR?

It is owned by the State Highway Agency.