US Bridges

I-80 EB over Hennepin Canal

Good

Bureau County, Illinois · 0.9 MI W of Il 40 · Structure no. 006018400000000

Built
2014
11 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
185 ft
3 main spans
Daily traffic
8,950
2021 count
Owner
State
State Highway Agency

About this bridge

I-80 EB over Hennepin Canal is a steel continuous stringer/multi-beam or girder carrying I-80 EB over Hennepin Canal in Bureau 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 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 8,950 vehicles a day, roughly 13% of them trucks, projected to reach 9,040 by 2046. The structure is 185 ft (56.4 m) long and 44 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesI-80 EB
CrossesHennepin Canal
Location0.9 MI W of Il 40
RouteInterstate 80
CountyBureau County
StateIllinois
Coordinates41.38694, -89.70392
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length185 ft (56.4 m)
Longest span70 ft (21.2 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,950 (2021)
Projected traffic9,040 by 2046
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-80 EB over Hennepin Canal built?

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

What condition is I-80 EB over Hennepin Canal 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 February 2023.

How much traffic does I-80 EB over Hennepin Canal carry?

About 8,950 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is I-80 EB over Hennepin Canal?

The structure is 185 ft (56.4 m) long with a longest span of 70 ft (21.2 m) and a deck 44 ft wide.

Who owns I-80 EB over Hennepin Canal?

It is owned by the State Highway Agency.