US Bridges

Park Drive over Parking Garage

Fair

Cook County, Illinois · 350E-400NTO500N · Structure no. 016617900000000

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
470 ft
18 main spans
Daily traffic
1,000
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Drive over Parking Garage is a concrete continuous slab carrying Park Drive over Parking Garage in Cook County, Illinois. It was built in 1990, so it is 35 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 5 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 1,000 vehicles a day, projected to reach 1,010 by 2046. The structure is 470 ft (143.2 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPark Drive
CrossesParking Garage
Location350E-400NTO500N
RouteCity Street 0
Coordinates41.89261, -87.61106
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length470 ft (143.2 m)
Longest span32 ft (9.7 m)
Deck width55 ft (16.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2013)
Projected traffic1,010 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Park Drive over Parking Garage built?

It was built in 1990, making it 35 years old in 2025.

What condition is Park Drive over Parking Garage 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 October 2024.

How much traffic does Park Drive over Parking Garage carry?

About 1,000 vehicles per day (2013 count).

How long is Park Drive over Parking Garage?

The structure is 470 ft (143.2 m) long with a longest span of 32 ft (9.7 m) and a deck 55 ft wide.

Who owns Park Drive over Parking Garage?

It is owned by the City or Municipal Highway Agency.