US Bridges

Whitecliff Prk RD over Gravois CR

Good

St. Louis County, Missouri · S 9 T 44 N R 6 E · Structure no. 33417

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
10
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whitecliff Prk RD over Gravois CR is a prestressed concrete tee beam carrying Whitecliff Prk RD over Gravois CR in St. Louis County, Missouri. It was built in 2011, so it is 14 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 14 by 2043. The structure is 91 ft (27.7 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesWhitecliff Prk RD
CrossesGravois CR
LocationS 9 T 44 N R 6 E
CountySt. Louis County
StateMissouri
Coordinates38.55634, -90.36554
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span82 ft (25 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic14 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Whitecliff Prk RD over Gravois CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Whitecliff Prk RD over Gravois 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 2023.

How much traffic does Whitecliff Prk RD over Gravois CR carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Whitecliff Prk RD over Gravois CR?

The structure is 91 ft (27.7 m) long with a longest span of 82 ft (25 m) and a deck 18 ft wide.

Who owns Whitecliff Prk RD over Gravois CR?

It is owned by the City or Municipal Highway Agency.