US Bridges

Forest Park Pkwy E over Forsyth Blvd

GoodPosted for load

St. Louis County, Missouri · S 15 T 45 N R 6 E · Structure no. 31792

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
646 ft
8 main spans
Daily traffic
7,898
2024 count
Owner
County
County Highway Agency

About this bridge

Forest Park Pkwy E over Forsyth Blvd is a steel continuous stringer/multi-beam or girder carrying Forest Park Pkwy E over Forsyth Blvd in St. Louis County, Missouri. It was built in 2004, so it is 21 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 7,898 vehicles a day, roughly 5% of them trucks, projected to reach 10,662 by 2044. The structure is 646 ft (196.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesForest Park Pkwy E
CrossesForsyth Blvd
LocationS 15 T 45 N R 6 E
RouteCounty Highway 0
Coordinates38.64868, -90.32817
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 alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 25 or greater
Structure length646 ft (196.8 m)
Longest span93 ft (28.4 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,898 (2024)
Projected traffic10,662 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-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$4.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Forest Park Pkwy E over Forsyth Blvd built?

It was built in 2004, making it 21 years old in 2025.

What condition is Forest Park Pkwy E over Forsyth Blvd 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 Pkwy E over Forsyth Blvd carry?

About 7,898 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Forest Park Pkwy E over Forsyth Blvd?

The structure is 646 ft (196.8 m) long with a longest span of 93 ft (28.4 m) and a deck 29 ft wide.

Who owns Forest Park Pkwy E over Forsyth Blvd?

It is owned by the County Highway Agency.