US Bridges

North Ave over N Br Chicago Riv

Fair

Cook County, Illinois · 1200 W North Ave · Structure no. 016653100000000

Built
2008
17 years old
Condition
Fair
inspected August 2024
Type
Suspension
Steel Continuous
Length
431 ft
3 main spans
Daily traffic
28,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

North Ave over N Br Chicago Riv is a steel continuous suspension carrying North Ave over N Br Chicago Riv in Cook County, Illinois. It was built in 2008, so it is 17 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 28,500 vehicles a day, roughly 4% of them trucks, projected to reach 33,532 by 2046. The structure is 431 ft (131.4 m) long and 81 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth Ave
CrossesN Br Chicago Riv
Location1200 W North Ave
RouteState Highway 64
CountyCook County
StateIllinois
Coordinates41.91078, -87.65757
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSuspension
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length431 ft (131.4 m)
Longest span252 ft (76.8 m)
Deck width81 ft (24.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2023)
Projected traffic33,532 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was North Ave over N Br Chicago Riv built?

It was built in 2008, making it 17 years old in 2025.

What condition is North Ave over N Br Chicago Riv in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does North Ave over N Br Chicago Riv carry?

About 28,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is North Ave over N Br Chicago Riv?

The structure is 431 ft (131.4 m) long with a longest span of 252 ft (76.8 m) and a deck 81 ft wide.

Who owns North Ave over N Br Chicago Riv?

It is owned by the City or Municipal Highway Agency.