US Bridges

Washington Street over Union Station Tracks

Poor

Cook County, Illinois · 100N 430W to 500W · Structure no. 016627200000000

Built
1913
112 years old, rebuilt 1984
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
2 main spans
Daily traffic
9,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Union Station Tracks is a steel continuous stringer/multi-beam or girder carrying Washington Street over Union Station Tracks in Cook County, Illinois. It was built in 1913 and reconstructed in 1984, so it is 112 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 9,600 vehicles a day, roughly 9% of them trucks, projected to reach 12,000 by 2046. The structure is 146 ft (44.6 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Street
CrossesUnion Station Tracks
Location100N 430W to 500W
Coordinates41.88318, -87.64048
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length146 ft (44.6 m)
Longest span87 ft (26.5 m)
Deck width79 ft (24.1 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,600 (2023)
Projected traffic12,000 by 2046
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington Street over Union Station Tracks built?

It was built in 1913, making it 112 years old in 2025. It was reconstructed in 1984.

What condition is Washington 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 Washington Street over Union Station Tracks carry?

About 9,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Washington Street over Union Station Tracks?

The structure is 146 ft (44.6 m) long with a longest span of 87 ft (26.5 m) and a deck 79 ft wide.

Who owns Washington Street over Union Station Tracks?

It is owned by the City or Municipal Highway Agency.