US Bridges

Il 26 & or 26 over I-180/IL 71

Fair

Bureau County, Illinois · JCT I 180 and Ill 26 · Structure no. 078001000000000

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
2 main spans
Daily traffic
—
2023 count
Owner
State
State Highway Agency

About this bridge

Il 26 & or 26 over I-180/IL 71 is a steel continuous stringer/multi-beam or girder carrying Il 26 & or 26 over I-180/IL 71 in Bureau County, Illinois. It was built in 1969, so it is 56 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

No traffic count is recorded. The structure is 274 ft (83.5 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIl 26 & or 26
CrossesI-180/IL 71
LocationJCT I 180 and Ill 26
CountyBureau County
StateIllinois
Coordinates41.25678, -89.32812
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length274 ft (83.5 m)
Longest span99 ft (30.2 m)
Deck width78 ft (23.8 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic—
Projected traffic780 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 26 & or 26 over I-180/IL 71 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Il 26 & or 26 over I-180/IL 71 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 February 2024.

How much traffic does Il 26 & or 26 over I-180/IL 71 carry?

No traffic count is recorded for this structure.

How long is Il 26 & or 26 over I-180/IL 71?

The structure is 274 ft (83.5 m) long with a longest span of 99 ft (30.2 m) and a deck 78 ft wide.

Who owns Il 26 & or 26 over I-180/IL 71?

It is owned by the State Highway Agency.