US Bridges

Wacker Drive over Lower Lvl Wacker DR

Good

Cook County, Illinois · Michigan to Randolph · Structure no. 016613800000000

Built
1926
99 years old, rebuilt 2002
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
4,095 ft
99 main spans
Daily traffic
11,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wacker Drive over Lower Lvl Wacker DR is a prestressed concrete slab carrying Wacker Drive over Lower Lvl Wacker DR in Cook County, Illinois. It was built in 1926 and reconstructed in 2002, so it is 99 years old, older 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 11,200 vehicles a day, roughly 9% of them trucks, projected to reach 11,110 by 2046. The structure is 4,095 ft (1,248.2 m) long and 114 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWacker Drive
CrossesLower Lvl Wacker DR
LocationMichigan to Randolph
Coordinates41.88821, -87.62459
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans99 (+26 approach)
Design loadHS 20
Structure length4,095 ft (1,248.2 m)
Longest span44 ft (13.4 m)
Deck width114 ft (34.7 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2022)
Projected traffic11,110 by 2046
Trucks9%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$213.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wacker Drive over Lower Lvl Wacker DR built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2002.

What condition is Wacker Drive over Lower Lvl Wacker DR 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 September 2024.

How much traffic does Wacker Drive over Lower Lvl Wacker DR carry?

About 11,200 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Wacker Drive over Lower Lvl Wacker DR?

The structure is 4,095 ft (1,248.2 m) long with a longest span of 44 ft (13.4 m) and a deck 114 ft wide.

Who owns Wacker Drive over Lower Lvl Wacker DR?

It is owned by the City or Municipal Highway Agency.