US Bridges

I-355NB over Spring Creek

Fair

Will County, Illinois · 1M N of US6 · Structure no. 099032200000000

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
554 ft
5 main spans
Daily traffic
31,000
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-355NB over Spring Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-355NB over Spring Creek 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 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 31,000 vehicles a day, roughly 12% of them trucks, projected to reach 27,360 by 2046. The structure is 554 ft (168.9 m) long and 64 ft wide.

Location

Open in Google Maps
CarriesI-355NB
CrossesSpring Creek
Location1M N of US6
RouteInterstate 355
CountyWill County
StateIllinois
Coordinates41.5511, -87.97867
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length554 ft (168.9 m)
Longest span90 ft (27.3 m)
Deck width64 ft (19.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2023)
Projected traffic27,360 by 2046
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-355NB over Spring Creek built?

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

What condition is I-355NB over Spring Creek 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 I-355NB over Spring Creek carry?

About 31,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-355NB over Spring Creek?

The structure is 554 ft (168.9 m) long with a longest span of 90 ft (27.3 m) and a deck 64 ft wide.

Who owns I-355NB over Spring Creek?

It is owned by the State Toll Authority.