US Bridges

I-88 WB over B.N. R.R. Track

Fair

Whiteside County, Illinois · 1.7 MI W Ill 78 · Structure no. 098006200000000

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
3 main spans
Daily traffic
6,550
2023 count
Owner
State
State Highway Agency

About this bridge

I-88 WB over B.N. R.R. Track is a steel continuous stringer/multi-beam or girder carrying I-88 WB over B.N. R.R. Track in Whiteside County, Illinois. It was built in 1975, so it is 50 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 6,550 vehicles a day, roughly 34% of them trucks, projected to reach 7,272 by 2046. The structure is 188 ft (57.2 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-88 WB
CrossesB.N. R.R. Track
Location1.7 MI W Ill 78
RouteInterstate 88
CountyWhiteside County
StateIllinois
Coordinates41.71389, -90.00156
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.2 m)
Longest span71 ft (21.7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,550 (2023)
Projected traffic7,272 by 2046
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 I-88 WB over B.N. R.R. Track built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-88 WB over B.N. R.R. Track 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 WB over B.N. R.R. Track carry?

About 6,550 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is I-88 WB over B.N. R.R. Track?

The structure is 188 ft (57.2 m) long with a longest span of 71 ft (21.7 m) and a deck 42 ft wide.

Who owns I-88 WB over B.N. R.R. Track?

It is owned by the State Highway Agency.