US Bridges

I-80EB Entrance Ra over Collins Run

Fair

Grundy County, Illinois · SE Quad I-80/BRISBIN · Structure no. 032011700000000

Built
2011
14 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
1 main span
Daily traffic
1,050
2019 count
Owner
State
State Highway Agency

About this bridge

I-80EB Entrance Ra over Collins Run is a prestressed concrete stringer/multi-beam or girder carrying I-80EB Entrance Ra over Collins Run in Grundy County, Illinois. It was built in 2011, so it is 14 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 1,050 vehicles a day, roughly 57% of them trucks, projected to reach 1,260 by 2046. The structure is 112 ft (34.1 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-80EB Entrance Ra
CrossesCollins Run
LocationSE Quad I-80/BRISBIN
CountyGrundy County
StateIllinois
Coordinates41.42263, -88.36116
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length112 ft (34.1 m)
Longest span109 ft (33.2 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2019)
Projected traffic1,260 by 2046
Trucks57%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-80EB Entrance Ra over Collins Run built?

It was built in 2011, making it 14 years old in 2025.

What condition is I-80EB Entrance Ra over Collins Run 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 March 2023.

How much traffic does I-80EB Entrance Ra over Collins Run carry?

About 1,050 vehicles per day (2019 count), of which roughly 57% are trucks.

How long is I-80EB Entrance Ra over Collins Run?

The structure is 112 ft (34.1 m) long with a longest span of 109 ft (33.2 m) and a deck 30 ft wide.

Who owns I-80EB Entrance Ra over Collins Run?

It is owned by the State Highway Agency.