US Bridges

Ramp I-39NB to I90 over I-90

Fair

Winnebago County, Illinois · .42MI E Newburg RD · Structure no. 101996700000000

Built
2009
16 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
939 ft
6 main spans
Daily traffic
15,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp I-39NB to I90 over I-90 is a steel stringer/multi-beam or girder carrying Ramp I-39NB to I90 over I-90 in Winnebago County, Illinois. It was built in 2009, so it is 16 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 15,700 vehicles a day, roughly 28% of them trucks, projected to reach 16,766 by 2046. The structure is 939 ft (286.1 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp I-39NB to I90
CrossesI-90
Location.42MI E Newburg RD
RouteInterstate 39
CountyWinnebago County
StateIllinois
Coordinates42.24751, -88.96096
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length939 ft (286.1 m)
Longest span148 ft (45 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,700 (2023)
Projected traffic16,766 by 2046
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp I-39NB to I90 over I-90 built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ramp I-39NB to I90 over I-90 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 2024.

How much traffic does Ramp I-39NB to I90 over I-90 carry?

About 15,700 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is Ramp I-39NB to I90 over I-90?

The structure is 939 ft (286.1 m) long with a longest span of 148 ft (45 m) and a deck 47 ft wide.

Who owns Ramp I-39NB to I90 over I-90?

It is owned by the State Highway Agency.