US Bridges

Rt Mm E over Br Heads CR

Fair

Jefferson County, Missouri · S 13 T 42 N R 4 E · Structure no. 7771

Built
1955
70 years old, rebuilt 2009
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
12,272
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm E over Br Heads CR is a concrete continuous culvert carrying Rt Mm E over Br Heads CR in Jefferson County, Missouri. It was built in 1955 and reconstructed in 2009, so it is 70 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 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 12,272 vehicles a day, roughly 7% of them trucks, projected to reach 20,862 by 2044. The structure is 32 ft (9.8 m) long and 36 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesRt Mm E
CrossesBr Heads CR
LocationS 13 T 42 N R 4 E
RouteState Highway 0MM
Coordinates38.38091, -90.52336
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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
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 rating26.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length32 ft (9.8 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,272 (2024)
Projected traffic20,862 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemYes

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 Br Heads CR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2009.

What condition is Rt Mm E over Br Heads 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 December 2024.

How much traffic does Rt Mm E over Br Heads CR carry?

About 12,272 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt Mm E over Br Heads CR?

The structure is 32 ft (9.8 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Rt Mm E over Br Heads CR?

It is owned by the State Highway Agency.