US Bridges

Canal Street over Union Station Tracks

Poor

Cook County, Illinois · 500 W & 0 N/S - 130S · Structure no. 016651600000000

Built
1926
99 years old, rebuilt 1983
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
851 ft
23 main spans
Daily traffic
5,100
2022 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.

It carries about 5,100 vehicles a day, roughly 20% of them trucks, projected to reach 10,504 by 2046. The structure is 851 ft (259.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanal Street
CrossesUnion Station Tracks
Location500 W & 0 N/S - 130S
Coordinates41.88021, -87.63964
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 statusOpen, no 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 rating53.9 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans23
Design loadUnknown
Structure length851 ft (259.4 m)
Longest span42 ft (12.7 m)
Deck width40 ft (12.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic10,504 by 2046
Trucks20%
Lanes on structure4
Traffic directionOne-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$5.4 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 5,100 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Canal Street over Union Station Tracks?

The structure is 851 ft (259.4 m) long with a longest span of 42 ft (12.7 m) and a deck 40 ft wide.

Who owns Canal Street over Union Station Tracks?

It is owned by the City or Municipal Highway Agency.