LAKE SHORE DR
LAKE SHORE DR in 1700 N & Lsd, Cook County, Illinois received a condition grade of C (52/100). Built in 1940, the bridge carries 124K vehicles daily on LAKE SHORE DR over Lasalle DR.
LAKE SHORE DR carries a C on the BridgeSafety Condition Score with 52/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1940, making it 86 years old — well beyond the typical 50-year design life of bridges constructed in that era. Bridges of this vintage usually need substantial rehabilitation or replacement once their original components have aged out, regardless of current condition ratings. LAKE SHORE DR carries an average daily traffic count of 123,600 vehicles, with 8 lane(s) crossing Lasalle DR. The owning agency is City/Municipal; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
LAKE SHORE DR is a 86-year-old bridge located 1700 N & Lsd in Cook County, Illinois. The bridge carries LAKE SHORE DR over Lasalle DR with 8 traffic lanes, handling approximately 124K vehicles per day. Built in 1940 and reconstructed in 2018, the structure spans 35.4 meters.
The bridge received a Condition Grade of C (52/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 6/9 (fair), and substructure 7/9 (good).
This bridge is owned and maintained by City/Municipal.
Location Map
Frequently Asked Questions
LAKE SHORE DR has a Condition Score of 52/100 (Grade C). Its deck is rated 6/9, superstructure 6/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
LAKE SHORE DR was built in 1940 and reconstructed in 2018, making it 86 years old. The average bridge age in the United States is 48 years.
LAKE SHORE DR carries approximately 124K vehicles per day (average daily traffic). The bridge has 8 traffic lanes. It is 35.4 meters long and located on LAKE SHORE DR in 1700 N & Lsd, Cook County, Illinois.
No, LAKE SHORE DR is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
LAKE SHORE DR is located 1700 N & Lsd in Cook County, Illinois. The bridge carries LAKE SHORE DR over Lasalle DR. Its coordinates are 41.913044, -87.626497. It is maintained by City/Municipal.
LAKE SHORE DR carries LAKE SHORE DR over Lasalle DR. The bridge is 35.4 meters long and was built in 1940, with reconstruction in 2018.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.