US Bridges

West Hill Park DR over Caulks CR

Fair

St. Louis County, Missouri · S 6 T 44 N R 4 E · Structure no. 16678

Built
1990
35 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

West Hill Park DR over Caulks CR is a concrete culvert carrying West Hill Park DR over Caulks CR in St. Louis County, Missouri. It was built in 1990, so it is 35 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 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 675 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesWest Hill Park DR
CrossesCaulks CR
LocationS 6 T 44 N R 4 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.58895, -90.61129
Functional classUrban Local

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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment7: Better than present minimum criteria
Operating rating39.7 US tons
Inventory rating19.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic675 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 West Hill Park DR over Caulks CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is West Hill Park DR over Caulks 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 West Hill Park DR over Caulks CR carry?

About 500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is West Hill Park DR over Caulks CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns West Hill Park DR over Caulks CR?

It is owned by the City or Municipal Highway Agency.