US Bridges

Kiefer Creek RD over Kiefer CR

GoodPosted for load

St. Louis County, Missouri · S 9 T 49 N R 4 E · Structure no. 29106

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
37 ft
2 main spans
Daily traffic
7,355
2024 count
Owner
County
County Highway Agency

About this bridge

Kiefer Creek RD over Kiefer CR is a concrete continuous culvert carrying Kiefer Creek RD over Kiefer CR in St. Louis County, Missouri. It was built in 2001, so it is 24 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. Its operating status is: posted for load restriction.

It carries about 7,355 vehicles a day, roughly 3% of them trucks, projected to reach 9,929 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesKiefer Creek RD
CrossesKiefer CR
LocationS 9 T 49 N R 4 E
RouteCounty Highway 0
Coordinates38.57112, -90.58025
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,355 (2024)
Projected traffic9,929 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kiefer Creek RD over Kiefer CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Kiefer Creek RD over Kiefer 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 April 2024.

How much traffic does Kiefer Creek RD over Kiefer CR carry?

About 7,355 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Kiefer Creek RD over Kiefer CR?

The structure is 37 ft (11.3 m) long with a longest span of 15 ft (4.7 m).

Who owns Kiefer Creek RD over Kiefer CR?

It is owned by the County Highway Agency.