US Bridges

Il 26 over Big Bureau Creek

Good

Bureau County, Illinois · 1.65 M N of I-80 · Structure no. 006018700000000

Built
2018
7 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
3 main spans
Daily traffic
3,250
2021 count
Owner
State
State Highway Agency

About this bridge

Il 26 over Big Bureau Creek is a steel continuous stringer/multi-beam or girder carrying Il 26 over Big Bureau Creek in Bureau County, Illinois. It was built in 2018, so it is 7 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 3,250 vehicles a day, roughly 14% of them trucks, projected to reach 3,283 by 2046. The structure is 255 ft (77.7 m) long and 43 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesIl 26
CrossesBig Bureau Creek
Location1.65 M N of I-80
RouteState Highway 26
CountyBureau County
StateIllinois
Coordinates41.42305, -89.46938
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.8 US tons
Inventory rating77.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length255 ft (77.7 m)
Longest span105 ft (32 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2021)
Projected traffic3,283 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Il 26 over Big Bureau Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Il 26 over Big Bureau Creek 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 Il 26 over Big Bureau Creek carry?

About 3,250 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Il 26 over Big Bureau Creek?

The structure is 255 ft (77.7 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.

Who owns Il 26 over Big Bureau Creek?

It is owned by the State Highway Agency.