US Bridges

I-180 WB over Il 26 & Bureau Crk.

Fair

Bureau County, Illinois · 1.5 MI W Hennepin · Structure no. 006005900000000

Built
1968
57 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
401 ft
3 main spans
Daily traffic
1,350
2023 count
Owner
State
State Highway Agency

About this bridge

I-180 WB over Il 26 & Bureau Crk. is a steel continuous stringer/multi-beam or girder carrying I-180 WB over Il 26 & Bureau Crk. in Bureau County, Illinois. It was built in 1968, so it is 57 years old, older 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 5 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 1,350 vehicles a day, roughly 32% of them trucks, projected to reach 1,263 by 2046. The structure is 401 ft (122.2 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesI-180 WB
CrossesIl 26 & Bureau Crk.
Location1.5 MI W Hennepin
RouteInterstate 180
CountyBureau County
StateIllinois
Coordinates41.26609, -89.37306
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length401 ft (122.2 m)
Longest span129 ft (39.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,263 by 2046
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed19.9 mi (32 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-180 WB over Il 26 & Bureau Crk. built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-180 WB over Il 26 & Bureau Crk. 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 December 2024.

How much traffic does I-180 WB over Il 26 & Bureau Crk. carry?

About 1,350 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I-180 WB over Il 26 & Bureau Crk.?

The structure is 401 ft (122.2 m) long with a longest span of 129 ft (39.2 m) and a deck 43 ft wide.

Who owns I-180 WB over Il 26 & Bureau Crk.?

It is owned by the State Highway Agency.