US Bridges

Forest Glen Av over N Branch Chicago Riv

Good

Cook County, Illinois · 5650 N & 5000 W · Structure no. 016654800000000

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Frame
Concrete
Length
90 ft
2 main spans
Daily traffic
3,650
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Forest Glen Av over N Branch Chicago Riv is a concrete frame carrying Forest Glen Av over N Branch Chicago Riv in Cook County, Illinois. It was built in 2004, so it is 21 years old, younger than the Illinois average of 45.3 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 3,650 vehicles a day, roughly 1% of them trucks, projected to reach 5,353 by 2046. The structure is 90 ft (27.4 m) long and 50 ft wide.

CarriesForest Glen Av
CrossesN Branch Chicago Riv
Location5650 N & 5000 W
RouteCounty Highway 0
Coordinates41.98324, -87.75242
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span42 ft (12.8 m)
Deck width50 ft (15.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2022)
Projected traffic5,353 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Glen Av over N Branch Chicago Riv built?

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

What condition is Forest Glen Av over N Branch Chicago Riv 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 July 2024.

How much traffic does Forest Glen Av over N Branch Chicago Riv carry?

About 3,650 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Forest Glen Av over N Branch Chicago Riv?

The structure is 90 ft (27.4 m) long with a longest span of 42 ft (12.8 m) and a deck 50 ft wide.

Who owns Forest Glen Av over N Branch Chicago Riv?

It is owned by the City or Municipal Highway Agency.