US Bridges

I-90 S B over Burr Oak RD

Fair

Winnebago County, Illinois · 1 MI E of Roscoe · Structure no. 101990100000000

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
29,400
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 S B over Burr Oak RD is a prestressed concrete stringer/multi-beam or girder carrying I-90 S B over Burr Oak RD in Winnebago County, Illinois. It was built in 1958, so it is 67 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.

It carries about 29,400 vehicles a day, roughly 29% of them trucks, projected to reach 23,634 by 2046. The structure is 133 ft (40.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-90 S B
CrossesBurr Oak RD
Location1 MI E of Roscoe
RouteInterstate 39
CountyWinnebago County
StateIllinois
Coordinates42.41855, -88.98573
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating68.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span45 ft (13.7 m)
Deck width39 ft (11.8 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,400 (2023)
Projected traffic23,634 by 2046
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-90 S B over Burr Oak RD built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-90 S B over Burr Oak RD 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 June 2023.

How much traffic does I-90 S B over Burr Oak RD carry?

About 29,400 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I-90 S B over Burr Oak RD?

The structure is 133 ft (40.5 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns I-90 S B over Burr Oak RD?

It is owned by the State Toll Authority.