US Bridges

I-88 RMP1072 (oasi over I-88 E-W Tollway

Fair

DeKalb County, Illinois · .5 Mi. E of Ill 23 · Structure no. 019992000000000

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
4 main spans
Daily traffic
1,600
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 RMP1072 (oasi over I-88 E-W Tollway is a prestressed concrete stringer/multi-beam or girder carrying I-88 RMP1072 (oasi over I-88 E-W Tollway in DeKalb County, Illinois. It was built in 1974, so it is 51 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 1,600 vehicles a day, projected to reach 1,456 by 2046. The structure is 240 ft (73.2 m) long and 44 ft wide.

Location

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CarriesI-88 RMP1072 (oasi
CrossesI-88 E-W Tollway
Location.5 Mi. E of Ill 23
CountyDeKalb County
StateIllinois
Coordinates41.90184, -88.74145
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.3 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span91 ft (27.7 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2023)
Projected traffic1,456 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-88 RMP1072 (oasi over I-88 E-W Tollway built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-88 RMP1072 (oasi over I-88 E-W Tollway 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 July 2023.

How much traffic does I-88 RMP1072 (oasi over I-88 E-W Tollway carry?

About 1,600 vehicles per day (2023 count).

How long is I-88 RMP1072 (oasi over I-88 E-W Tollway?

The structure is 240 ft (73.2 m) long with a longest span of 91 ft (27.7 m) and a deck 44 ft wide.

Who owns I-88 RMP1072 (oasi over I-88 E-W Tollway?

It is owned by the State Toll Authority.