US Bridges

Adams Street over Union Station Trks

Good

Cook County, Illinois · Chgo Riv to Canal ST · Structure no. 016626000000000

Built
1924
101 years old, rebuilt 2017
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
6 main spans
Daily traffic
6,600
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adams Street over Union Station Trks is a steel continuous stringer/multi-beam or girder carrying Adams Street over Union Station Trks in Cook County, Illinois. It was built in 1924 and reconstructed in 2017, so it is 101 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,600 vehicles a day, roughly 10% of them trucks, projected to reach 3,687 by 2046. The structure is 282 ft (85.9 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAdams Street
CrossesUnion Station Trks
LocationChgo Riv to Canal ST
CountyCook County
StateIllinois
Coordinates41.87933, -87.63977
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans6
Design loadHS 20
Structure length282 ft (85.9 m)
Longest span68 ft (20.7 m)
Deck width66 ft (20.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2023)
Projected traffic3,687 by 2046
Trucks10%
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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Adams Street over Union Station Trks built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 2017.

What condition is Adams Street over Union Station Trks in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2021.

How much traffic does Adams Street over Union Station Trks carry?

About 6,600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Adams Street over Union Station Trks?

The structure is 282 ft (85.9 m) long with a longest span of 68 ft (20.7 m) and a deck 66 ft wide.

Who owns Adams Street over Union Station Trks?

It is owned by the City or Municipal Highway Agency.