US Bridges

Addison ST over N Br Chicago River

Fair

Cook County, Illinois · 3600 N & 2700 W · Structure no. 016607300000000

Built
1920
105 years old, rebuilt 1998
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
19,100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Addison ST over N Br Chicago River is a steel continuous stringer/multi-beam or girder carrying Addison ST over N Br Chicago River in Cook County, Illinois. It was built in 1920 and reconstructed in 1998, so it is 105 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 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 19,100 vehicles a day, roughly 2% of them trucks, projected to reach 21,210 by 2046. The structure is 185 ft (56.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAddison ST
CrossesN Br Chicago River
Location3600 N & 2700 W
CountyCook County
StateIllinois
Coordinates41.94671, -87.69669
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span80 ft (24.4 m)
Deck width66 ft (20.1 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,100 (2023)
Projected traffic21,210 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Addison ST over N Br Chicago River built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1998.

What condition is Addison ST over N Br Chicago River 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 Addison ST over N Br Chicago River carry?

About 19,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Addison ST over N Br Chicago River?

The structure is 185 ft (56.4 m) long with a longest span of 80 ft (24.4 m) and a deck 66 ft wide.

Who owns Addison ST over N Br Chicago River?

It is owned by the City or Municipal Highway Agency.