US Bridges

I-88 WB over Steward CR

Fair

Lee County, Illinois · At Ogle CO LN · Structure no. 052994200000000

Built
1974
51 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
8,050
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 WB over Steward CR is a prestressed concrete stringer/multi-beam or girder carrying I-88 WB over Steward CR in Lee 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 8,050 vehicles a day, roughly 30% of them trucks, projected to reach 6,363 by 2046. The structure is 93 ft (28.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-88 WB
CrossesSteward CR
LocationAt Ogle CO LN
RouteInterstate 88
Coordinates41.8886, -89.10116
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span89 ft (27.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,050 (2022)
Projected traffic6,363 by 2046
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-88 WB over Steward CR built?

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

What condition is I-88 WB over Steward CR 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 2024.

How much traffic does I-88 WB over Steward CR carry?

About 8,050 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is I-88 WB over Steward CR?

The structure is 93 ft (28.3 m) long with a longest span of 89 ft (27.1 m) and a deck 43 ft wide.

Who owns I-88 WB over Steward CR?

It is owned by the State Toll Authority.