US Bridges

I-88 WB E-W Tollwa over FAU5458 Caron&bn RR

Fair

Ogle County, Illinois · 1.2 MI E of Ill 251 · Structure no. 071991700000000

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
310 ft
4 main spans
Daily traffic
9,650
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 WB E-W Tollwa over FAU5458 Caron&bn RR is a steel continuous stringer/multi-beam or girder carrying I-88 WB E-W Tollwa over FAU5458 Caron&bn RR in Ogle 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 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 9,650 vehicles a day, roughly 29% of them trucks, projected to reach 8,008 by 2046. The structure is 310 ft (94.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-88 WB E-W Tollwa
CrossesFAU5458 Caron&bn RR
Location1.2 MI E of Ill 251
RouteInterstate 88
CountyOgle County
StateIllinois
Coordinates41.90193, -89.04402
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
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 rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span102 ft (31.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,650 (2023)
Projected traffic8,008 by 2046
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-88 WB E-W Tollwa over FAU5458 Caron&bn RR built?

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

What condition is I-88 WB E-W Tollwa over FAU5458 Caron&bn RR 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 August 2024.

How much traffic does I-88 WB E-W Tollwa over FAU5458 Caron&bn RR carry?

About 9,650 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I-88 WB E-W Tollwa over FAU5458 Caron&bn RR?

The structure is 310 ft (94.5 m) long with a longest span of 102 ft (31.1 m) and a deck 43 ft wide.

Who owns I-88 WB E-W Tollwa over FAU5458 Caron&bn RR?

It is owned by the State Toll Authority.