US Bridges

Rt Mm E over Heads CR

Good

Jefferson County, Missouri · S 666 T 42 N R 4 E · Structure no. 11897

Built
2000
25 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
5 main spans
Daily traffic
12,272
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Mm E over Heads CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt Mm E over Heads CR in Jefferson County, Missouri. It was built in 2000, so it is 25 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 12,272 vehicles a day, roughly 7% of them trucks, projected to reach 20,862 by 2044. The structure is 198 ft (60.4 m) long and 52 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRt Mm E
CrossesHeads CR
LocationS 666 T 42 N R 4 E
RouteState Highway 0MM
Coordinates38.40968, -90.57217
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.3 US tons
Inventory rating52.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length198 ft (60.4 m)
Longest span45 ft (13.7 m)
Deck width52 ft (15.8 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,272 (2024)
Projected traffic20,862 by 2044
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Heads CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rt Mm E over Heads 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 December 2024.

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

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

How long is Rt Mm E over Heads CR?

The structure is 198 ft (60.4 m) long with a longest span of 45 ft (13.7 m) and a deck 52 ft wide.

Who owns Rt Mm E over Heads CR?

It is owned by the State Highway Agency.