US Bridges

Forest Park Drive over Shaw Park DR

GoodPosted for load

St. Louis County, Missouri · S 15 T 45 N R 6 E · Structure no. 31786

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
20,527
2024 count
Owner
County
County Highway Agency

About this bridge

Forest Park Drive over Shaw Park DR is a prestressed concrete box beam or girders - multiple carrying Forest Park Drive over Shaw Park DR in St. Louis County, Missouri. It was built in 2005, so it is 20 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 20,527 vehicles a day, roughly 5% of them trucks, projected to reach 27,711 by 2044. The structure is 48 ft (14.6 m) long and 70 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesForest Park Drive
CrossesShaw Park DR
LocationS 15 T 45 N R 6 E
RouteCounty Highway 141
CountySt. Louis County
StateMissouri
Coordinates38.64621, -90.34624
Functional classUrban Other Principal Arterial

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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating109.1 US tons
Inventory rating65.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span48 ft (14.5 m)
Deck width70 ft (21.3 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,527 (2024)
Projected traffic27,711 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$985,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Forest Park Drive over Shaw Park DR built?

It was built in 2005, making it 20 years old in 2025.

What condition is Forest Park Drive over Shaw Park DR 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 Forest Park Drive over Shaw Park DR carry?

About 20,527 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Forest Park Drive over Shaw Park DR?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.5 m) and a deck 70 ft wide.

Who owns Forest Park Drive over Shaw Park DR?

It is owned by the County Highway Agency.