US Bridges

Tower RD over RR - UP

Fair

Cook County, Illinois · 1.9 M E I-94 · Structure no. 016081700000000

Built
1941
84 years old, rebuilt 1999
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
4 main spans
Daily traffic
4,950
2023 count
Owner
State
State Highway Agency

About this bridge

Tower RD over RR - UP is a steel continuous stringer/multi-beam or girder carrying Tower RD over RR - UP in Cook County, Illinois. It was built in 1941 and reconstructed in 1999, so it is 84 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 6 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 4,950 vehicles a day, roughly 3% of them trucks, projected to reach 4,343 by 2046. The structure is 175 ft (53.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTower RD
CrossesRR - UP
Location1.9 M E I-94
CountyCook County
StateIllinois
Coordinates42.11559, -87.74157
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length175 ft (53.4 m)
Longest span45 ft (13.7 m)
Deck width53 ft (16.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2023)
Projected traffic4,343 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Tower RD over RR - UP built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1999.

What condition is Tower RD over RR - UP 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 January 2025.

How much traffic does Tower RD over RR - UP carry?

About 4,950 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tower RD over RR - UP?

The structure is 175 ft (53.4 m) long with a longest span of 45 ft (13.7 m) and a deck 53 ft wide.

Who owns Tower RD over RR - UP?

It is owned by the State Highway Agency.