US Bridges

Ashland Ave over S Br Chicago River

Fair

Cook County, Illinois · 2605 S & 1600 W · Structure no. 016600300000000

Built
1938
87 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Movable - Bascule
Steel
Length
315 ft
1 main span
Daily traffic
23,200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ashland Ave over S Br Chicago River is a steel movable - bascule carrying Ashland Ave over S Br Chicago River in Cook County, Illinois. It was built in 1938 and reconstructed in 2003, so it is 87 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 23,200 vehicles a day, roughly 9% of them trucks, projected to reach 22,523 by 2046. The structure is 315 ft (96 m) long and 90 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAshland Ave
CrossesS Br Chicago River
Location2605 S & 1600 W
Coordinates41.84523, -87.66588
Functional classUrban Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeMovable - Bascule
MaterialSteel
DeckClosed grating
Main spans1 (+4 approach)
Design loadHS 20
Structure length315 ft (96 m)
Longest span225 ft (68.5 m)
Deck width90 ft (27.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,200 (2023)
Projected traffic22,523 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ashland Ave over S Br Chicago River built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2003.

What condition is Ashland Ave over S 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 October 2023.

How much traffic does Ashland Ave over S Br Chicago River carry?

About 23,200 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ashland Ave over S Br Chicago River?

The structure is 315 ft (96 m) long with a longest span of 225 ft (68.5 m) and a deck 90 ft wide.

Who owns Ashland Ave over S Br Chicago River?

It is owned by the City or Municipal Highway Agency.