US Bridges

SW Ramp I-88 & IL2 over Stream

Good

Ogle County, Illinois · 0.2 MI W of Ill 251 · Structure no. 071992300000000

Built
1972
53 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
33 ft
4 main spans
Daily traffic
600
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SW Ramp I-88 & IL2 over Stream is a concrete culvert carrying SW Ramp I-88 & IL2 over Stream in Ogle County, Illinois. It was built in 1972, so it is 53 years old, older 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 600 vehicles a day, projected to reach 468 by 2046. The structure is 33 ft (10.1 m) long.

Location

Open in Google Maps
CarriesSW Ramp I-88 & IL2
CrossesStream
Location0.2 MI W of Ill 251
CountyOgle County
StateIllinois
Coordinates41.89936, -89.07335
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic468 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Ramp I-88 & IL2 over Stream built?

It was built in 1972, making it 53 years old in 2025.

What condition is SW Ramp I-88 & IL2 over Stream 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 June 2023.

How much traffic does SW Ramp I-88 & IL2 over Stream carry?

About 600 vehicles per day (2023 count).

How long is SW Ramp I-88 & IL2 over Stream?

The structure is 33 ft (10.1 m) long with a longest span of 6 ft (1.7 m).

Who owns SW Ramp I-88 & IL2 over Stream?

It is owned by the State Toll Authority.