US Bridges

151st St. over I-355

Good

Will County, Illinois · 1M N of IL7 · Structure no. 099033100000000

Built
2007
18 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
268 ft
2 main spans
Daily traffic
3,400
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

151st St. over I-355 is a prestressed concrete continuous stringer/multi-beam or girder carrying 151st St. over I-355 in Will County, Illinois. It was built in 2007, so it is 18 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 3,400 vehicles a day, roughly 6% of them trucks, projected to reach 7,704 by 2046. The structure is 268 ft (81.7 m) long and 45 ft wide.

Location

Open in Google Maps
Carries151st St.
CrossesI-355
Location1M N of IL7
CountyWill County
StateIllinois
Coordinates41.6127, -88.0143
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 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 rating69.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length268 ft (81.7 m)
Longest span106 ft (32.2 m)
Deck width45 ft (13.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic7,704 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 151st St. over I-355 built?

It was built in 2007, making it 18 years old in 2025.

What condition is 151st St. over I-355 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 151st St. over I-355 carry?

About 3,400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is 151st St. over I-355?

The structure is 268 ft (81.7 m) long with a longest span of 106 ft (32.2 m) and a deck 45 ft wide.

Who owns 151st St. over I-355?

It is owned by the State Toll Authority.