US Bridges

Pierside LN over Br of Kiefer CR

FairPosted for load

St. Louis County, Missouri · S 5 T 44 N R 4 E · Structure no. 15685

Built
1988
37 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
4,250
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pierside LN over Br of Kiefer CR is a concrete continuous culvert carrying Pierside LN over Br of Kiefer CR in St. Louis County, Missouri. It was built in 1988, so it is 37 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 4,250 vehicles a day, roughly 1% of them trucks, projected to reach 5,738 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPierside LN
CrossesBr of Kiefer CR
LocationS 5 T 44 N R 4 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.57786, -90.58477
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating73.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,250 (2023)
Projected traffic5,738 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Pierside LN over Br of Kiefer CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is Pierside LN over Br of Kiefer 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 January 2024.

How much traffic does Pierside LN over Br of Kiefer CR carry?

About 4,250 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Pierside LN over Br of Kiefer CR?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Pierside LN over Br of Kiefer CR?

It is owned by the City or Municipal Highway Agency.