US Bridges

Lake Shore Drive over Field Museum Concour

Fair

Cook County, Illinois · 1140 S Lake Shore DR · Structure no. 016268800000000

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
58 ft
1 main span
Daily traffic
128,500
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Shore Drive over Field Museum Concour is a concrete slab carrying Lake Shore Drive over Field Museum Concour in Cook County, Illinois. It was built in 1996, so it is 29 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 128,500 vehicles a day, roughly 1% of them trucks, projected to reach 129,785 by 2046. The structure is 58 ft (17.7 m) long and 130 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLake Shore Drive
CrossesField Museum Concour
Location1140 S Lake Shore DR
RouteU.S. Route 41
CountyCook County
StateIllinois
Coordinates41.86826, -87.61825
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span55 ft (16.9 m)
Deck width130 ft (39.6 m)
Roadway width111 ft (33.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128,500 (2021)
Projected traffic129,785 by 2046
Trucks1%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lake Shore Drive over Field Museum Concour built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lake Shore Drive over Field Museum Concour 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 Lake Shore Drive over Field Museum Concour carry?

About 128,500 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Lake Shore Drive over Field Museum Concour?

The structure is 58 ft (17.7 m) long with a longest span of 55 ft (16.9 m) and a deck 130 ft wide.

Who owns Lake Shore Drive over Field Museum Concour?

It is owned by the City or Municipal Highway Agency.