US Bridges

Ill 26 over Cn RR

Fair

Stephenson County, Illinois · 0.2 MI N of US 20 Br · Structure no. 089005200000000

Built
1986
39 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
214 ft
4 main spans
Daily traffic
12,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Cn RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Ill 26 over Cn RR in Stephenson County, Illinois. It was built in 1986, so it is 39 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 12,500 vehicles a day, roughly 4% of them trucks, projected to reach 6,250 by 2046. The structure is 214 ft (65.2 m) long and 93 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesIll 26
CrossesCn RR
Location0.2 MI N of US 20 Br
RouteState Highway 26
Coordinates42.30368, -89.63219
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length214 ft (65.2 m)
Longest span56 ft (17.2 m)
Deck width93 ft (28.4 m)
Roadway width90 ft (27.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2023)
Projected traffic6,250 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed34.8 mi (56 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ill 26 over Cn RR built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ill 26 over Cn RR 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 January 2024.

How much traffic does Ill 26 over Cn RR carry?

About 12,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Ill 26 over Cn RR?

The structure is 214 ft (65.2 m) long with a longest span of 56 ft (17.2 m) and a deck 93 ft wide.

Who owns Ill 26 over Cn RR?

It is owned by the State Highway Agency.