US Bridges

Lake Shore DR over Belmont Av

Poor

Cook County, Illinois · 3200 N.& 400 W. · Structure no. 016618700000000

Built
1941
84 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete
Length
70 ft
1 main span
Daily traffic
101,600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Shore DR over Belmont Av is a concrete tee beam carrying Lake Shore DR over Belmont Av in Cook County, Illinois. It was built in 1941, so it is 84 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 101,600 vehicles a day, roughly 2% of them trucks, projected to reach 93,627 by 2046. The structure is 70 ft (21.4 m) long and 106 ft wide.

CarriesLake Shore DR
CrossesBelmont Av
Location3200 N.& 400 W.
RouteU.S. Route 41
Coordinates41.9405, -87.63851
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.4 m)
Longest span67 ft (20.5 m)
Deck width106 ft (32.3 m)
Roadway width92 ft (28 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101,600 (2024)
Projected traffic93,627 by 2046
Trucks2%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 DR over Belmont Av built?

It was built in 1941, making it 84 years old in 2025.

What condition is Lake Shore DR over Belmont Av in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Lake Shore DR over Belmont Av carry?

About 101,600 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Lake Shore DR over Belmont Av?

The structure is 70 ft (21.4 m) long with a longest span of 67 ft (20.5 m) and a deck 106 ft wide.

Who owns Lake Shore DR over Belmont Av?

It is owned by the City or Municipal Highway Agency.