US Bridges

Lake Shore DR over W Bryn Mawr Ave

Fair

Cook County, Illinois · 5600N and 936W · Structure no. 016618100000000

Built
1954
71 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
26,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lake Shore DR over W Bryn Mawr Ave is a steel stringer/multi-beam or girder carrying Lake Shore DR over W Bryn Mawr Ave in Cook County, Illinois. It was built in 1954, so it is 71 years old, older 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 26,000 vehicles a day, roughly 6% of them trucks, projected to reach 15,201 by 2046. The structure is 73 ft (22.2 m) long and 175 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLake Shore DR
CrossesW Bryn Mawr Ave
Location5600N and 936W
CountyCook County
StateIllinois
Coordinates41.98404, -87.6527
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.2 m)
Longest span69 ft (21.1 m)
Deck width175 ft (53.2 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2022)
Projected traffic15,201 by 2046
Trucks6%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 DR over W Bryn Mawr Ave built?

It was built in 1954, making it 71 years old in 2025.

What condition is Lake Shore DR over W Bryn Mawr Ave 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 July 2024.

How much traffic does Lake Shore DR over W Bryn Mawr Ave carry?

About 26,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Lake Shore DR over W Bryn Mawr Ave?

The structure is 73 ft (22.2 m) long with a longest span of 69 ft (21.1 m) and a deck 175 ft wide.

Who owns Lake Shore DR over W Bryn Mawr Ave?

It is owned by the City or Municipal Highway Agency.