US Bridges

Harrison ST over I- 90 94 NB Dan Ryan

Good

Cook County, Illinois · 0.1 M S of I-290 · Structure no. 016171100000000

Built
2014
11 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
2 main spans
Daily traffic
2,550
2022 count
Owner
State
State Highway Agency

About this bridge

Harrison ST over I- 90 94 NB Dan Ryan is a steel continuous stringer/multi-beam or girder carrying Harrison ST over I- 90 94 NB Dan Ryan in Cook County, Illinois. It was built in 2014, so it is 11 years old, younger 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 2,550 vehicles a day, roughly 12% of them trucks, projected to reach 5,151 by 2046. The structure is 170 ft (51.9 m) long and 68 ft wide.

CarriesHarrison ST
CrossesI- 90 94 NB Dan Ryan
Location0.1 M S of I-290
Coordinates41.87434, -87.64501
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating76.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length170 ft (51.9 m)
Longest span96 ft (29.4 m)
Deck width68 ft (20.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2022)
Projected traffic5,151 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harrison ST over I- 90 94 NB Dan Ryan built?

It was built in 2014, making it 11 years old in 2025.

What condition is Harrison ST over I- 90 94 NB Dan Ryan 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 August 2023.

How much traffic does Harrison ST over I- 90 94 NB Dan Ryan carry?

About 2,550 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Harrison ST over I- 90 94 NB Dan Ryan?

The structure is 170 ft (51.9 m) long with a longest span of 96 ft (29.4 m) and a deck 68 ft wide.

Who owns Harrison ST over I- 90 94 NB Dan Ryan?

It is owned by the State Highway Agency.