US Bridges

I-88 EB over Bn RR (abandon)

Fair

Whiteside County, Illinois · .5 MI S US 30 · Structure no. 098009000000000

Built
1972
53 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
167 ft
3 main spans
Daily traffic
8,300
2023 count
Owner
State
State Highway Agency

About this bridge

I-88 EB over Bn RR (abandon) is a steel continuous stringer/multi-beam or girder carrying I-88 EB over Bn RR (abandon) in Whiteside 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 fair condition with a lowest component rating of 5 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 8,300 vehicles a day, roughly 30% of them trucks, projected to reach 6,666 by 2046. The structure is 167 ft (51 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-88 EB
CrossesBn RR (abandon)
Location.5 MI S US 30
RouteInterstate 88
Coordinates41.75321, -89.64305
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length167 ft (51 m)
Longest span62 ft (19 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2023)
Projected traffic6,666 by 2046
Trucks30%
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 EB over Bn RR (abandon) built?

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

What condition is I-88 EB over Bn RR (abandon) 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 December 2023.

How much traffic does I-88 EB over Bn RR (abandon) carry?

About 8,300 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I-88 EB over Bn RR (abandon)?

The structure is 167 ft (51 m) long with a longest span of 62 ft (19 m) and a deck 42 ft wide.

Who owns I-88 EB over Bn RR (abandon)?

It is owned by the State Highway Agency.