US Bridges

Forest Park Pkwy E over Brentwood Blvd

GoodPosted for load

St. Louis County, Missouri · S 15 T 45 N R 6 E · Structure no. 31787

Built
2005
20 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
3 main spans
Daily traffic
20,527
2024 count
Owner
County
County Highway Agency

About this bridge

Forest Park Pkwy E over Brentwood Blvd is a steel continuous stringer/multi-beam or girder carrying Forest Park Pkwy E over Brentwood Blvd 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 239 ft (72.8 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesForest Park Pkwy E
CrossesBrentwood Blvd
LocationS 15 T 45 N R 6 E
RouteCounty Highway 0
Coordinates38.6455, -90.34225
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 rating110.1 US tons
Inventory rating82.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length239 ft (72.8 m)
Longest span107 ft (32.5 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,527 (2024)
Projected traffic27,711 by 2044
Trucks5%
Lanes on structure3
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$2.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Forest Park Pkwy E over Brentwood Blvd built?

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

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

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

How long is Forest Park Pkwy E over Brentwood Blvd?

The structure is 239 ft (72.8 m) long with a longest span of 107 ft (32.5 m) and a deck 41 ft wide.

Who owns Forest Park Pkwy E over Brentwood Blvd?

It is owned by the County Highway Agency.