US Bridges

I294NB Cd Road B over 147th

Fair

Cook County, Illinois · 0.6 MI N of I-57 · Structure no. 016410000000000

Built
2014
11 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
1 main span
Daily traffic
71,700
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I294NB Cd Road B over 147th is a steel stringer/multi-beam or girder carrying I294NB Cd Road B over 147th 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 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 71,700 vehicles a day, roughly 19% of them trucks, projected to reach 62,216 by 2046. The structure is 125 ft (38 m) long and 45 ft wide.

CarriesI294NB Cd Road B
Crosses147th
Location0.6 MI N of I-57
RouteInterstate 294
Coordinates41.62631, -87.69184
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length125 ft (38 m)
Longest span122 ft (37.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,700 (2023)
Projected traffic62,216 by 2046
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I294NB Cd Road B over 147th built?

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

What condition is I294NB Cd Road B over 147th 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 April 2024.

How much traffic does I294NB Cd Road B over 147th carry?

About 71,700 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I294NB Cd Road B over 147th?

The structure is 125 ft (38 m) long with a longest span of 122 ft (37.2 m) and a deck 45 ft wide.

Who owns I294NB Cd Road B over 147th?

It is owned by the State Toll Authority.