US Bridges

Il 23/FAP 68 over I 80

Fair

LaSalle County, Illinois · Ill 23 at Ottawa · Structure no. 050021600000000

Built
1993
32 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
203 ft
2 main spans
Daily traffic
16,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 23/FAP 68 over I 80 is a steel continuous stringer/multi-beam or girder carrying Il 23/FAP 68 over I 80 in LaSalle County, Illinois. It was built in 1993, so it is 32 years old, younger 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 16,500 vehicles a day, roughly 6% of them trucks, projected to reach 17,877 by 2046. The structure is 203 ft (62 m) long and 73 ft wide.

Location

Open in Google Maps
CarriesIl 23/FAP 68
CrossesI 80
LocationIll 23 at Ottawa
RouteState Highway 23
CountyLaSalle County
StateIllinois
Coordinates41.37604, -88.83608
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (62 m)
Longest span100 ft (30.5 m)
Deck width73 ft (22.3 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2023)
Projected traffic17,877 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Il 23/FAP 68 over I 80 built?

It was built in 1993, making it 32 years old in 2025.

What condition is Il 23/FAP 68 over I 80 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 March 2024.

How much traffic does Il 23/FAP 68 over I 80 carry?

About 16,500 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 23/FAP 68 over I 80?

The structure is 203 ft (62 m) long with a longest span of 100 ft (30.5 m) and a deck 73 ft wide.

Who owns Il 23/FAP 68 over I 80?

It is owned by the State Highway Agency.