US Bridges

Rt K E over Rock CR

Good

Jefferson County, Missouri · S 130 T 42 N R 6 E · Structure no. 31410

Built
2006
19 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
3,042
2024 count
Owner
State
State Highway Agency

About this bridge

Rt K E over Rock CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Rt K E over Rock CR in Jefferson County, Missouri. It was built in 2006, so it is 19 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 3,042 vehicles a day, roughly 10% of them trucks, projected to reach 5,476 by 2044. The structure is 180 ft (55 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRt K E
CrossesRock CR
LocationS 130 T 42 N R 6 E
RouteState Highway 0K
Coordinates38.36685, -90.37104
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.4 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length180 ft (55 m)
Longest span69 ft (21 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,042 (2024)
Projected traffic5,476 by 2044
Trucks10%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt K E over Rock CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Rt K E over Rock 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 November 2024.

How much traffic does Rt K E over Rock CR carry?

About 3,042 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt K E over Rock CR?

The structure is 180 ft (55 m) long with a longest span of 69 ft (21 m) and a deck 39 ft wide.

Who owns Rt K E over Rock CR?

It is owned by the State Highway Agency.