US Bridges

NB Ramp a over I-294

Good

Cook County, Illinois · 0.5 M N US 66 · Structure no. 016962800000000

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
432 ft
2 main spans
Daily traffic
13,400
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

NB Ramp a over I-294 is a steel continuous stringer/multi-beam or girder carrying NB Ramp a over I-294 in Cook County, Illinois. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,400 vehicles a day, roughly 9% of them trucks, projected to reach 37,256 by 2040. The structure is 432 ft (131.8 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Ramp a
CrossesI-294
Location0.5 M N US 66
Coordinates41.77001, -87.90669
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating61.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length432 ft (131.8 m)
Longest span227 ft (69.2 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2024)
Projected traffic37,256 by 2040
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 NB Ramp a over I-294 built?

It was built in 2022, making it 3 years old in 2025.

What condition is NB Ramp a over I-294 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 March 2023.

How much traffic does NB Ramp a over I-294 carry?

About 13,400 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is NB Ramp a over I-294?

The structure is 432 ft (131.8 m) long with a longest span of 227 ft (69.2 m) and a deck 53 ft wide.

Who owns NB Ramp a over I-294?

It is owned by the State Toll Authority.