US Bridges

Forest Park Pkwy over Metrolink

Good

St. Louis city, Missouri · S 3125 T 45 N R 7 E · Structure no. 35290

Built
2017
8 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
29,920
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Forest Park Pkwy over Metrolink is a prestressed concrete box beam or girders - multiple carrying Forest Park Pkwy over Metrolink in St. Louis city, Missouri. It was built in 2017, so it is 8 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 29,920 vehicles a day, roughly 2% of them trucks, projected to reach 40,392 by 2043. The structure is 77 ft (23.5 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesForest Park Pkwy
CrossesMetrolink
LocationS 3125 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.64, -90.267
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.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating59.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width76 ft (23.2 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,920 (2023)
Projected traffic40,392 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Forest Park Pkwy over Metrolink built?

It was built in 2017, making it 8 years old in 2025.

What condition is Forest Park Pkwy over Metrolink 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 2023.

How much traffic does Forest Park Pkwy over Metrolink carry?

About 29,920 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Forest Park Pkwy over Metrolink?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 76 ft wide.

Who owns Forest Park Pkwy over Metrolink?

It is owned by the City or Municipal Highway Agency.