US Bridges

Canal Street over Union Station Tracks

PoorPosted for load

Cook County, Illinois · 500 W & 300 to 600 S · Structure no. 016651400000000

Built
1926
99 years old, rebuilt 1983
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,260 ft
41 main spans
Daily traffic
10,400
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canal Street over Union Station Tracks is a steel stringer/multi-beam or girder carrying Canal Street over Union Station Tracks in Cook County, Illinois. It was built in 1926 and reconstructed in 1983, so it is 99 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 3 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. Its operating status is: posted for load restriction.

It carries about 10,400 vehicles a day, roughly 9% of them trucks, projected to reach 10,504 by 2046. The structure is 1,260 ft (384 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanal Street
CrossesUnion Station Tracks
Location500 W & 300 to 600 S
Coordinates41.87734, -87.63957
Functional classUrban Collector

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating36 US tons
Inventory rating21.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans41
Design loadUnknown
Structure length1,260 ft (384 m)
Longest span42 ft (12.7 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2014)
Projected traffic10,504 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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$3.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Canal Street over Union Station Tracks built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1983.

What condition is Canal Street over Union Station Tracks 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 May 2023.

How much traffic does Canal Street over Union Station Tracks carry?

About 10,400 vehicles per day (2014 count), of which roughly 9% are trucks.

How long is Canal Street over Union Station Tracks?

The structure is 1,260 ft (384 m) long with a longest span of 42 ft (12.7 m) and a deck 50 ft wide.

Who owns Canal Street over Union Station Tracks?

It is owned by the City or Municipal Highway Agency.