US Bridges

I-55/I-74 SB over College AVE(FAU6352)

Fair

McLean County, Illinois · 3.5 M SW of Rt 51 · Structure no. 057023400000000

Built
1999
26 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
21,050
2023 count
Owner
State
State Highway Agency

About this bridge

I-55/I-74 SB over College AVE(FAU6352) is a steel continuous stringer/multi-beam or girder carrying I-55/I-74 SB over College AVE(FAU6352) in McLean County, Illinois. It was built in 1999, so it is 26 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 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 21,050 vehicles a day, roughly 38% of them trucks, projected to reach 21,463 by 2046. The structure is 156 ft (47.5 m) long and 65 ft wide.

Location

Open in Google Maps
CarriesI-55/I-74 SB
CrossesCollege AVE(FAU6352)
Location3.5 M SW of Rt 51
RouteInterstate 55
CountyMcLean County
StateIllinois
Coordinates40.50977, -89.02864
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span60 ft (18.3 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,050 (2023)
Projected traffic21,463 by 2046
Trucks38%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-55/I-74 SB over College AVE(FAU6352) built?

It was built in 1999, making it 26 years old in 2025.

What condition is I-55/I-74 SB over College AVE(FAU6352) 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 February 2025.

How much traffic does I-55/I-74 SB over College AVE(FAU6352) carry?

About 21,050 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is I-55/I-74 SB over College AVE(FAU6352)?

The structure is 156 ft (47.5 m) long with a longest span of 60 ft (18.3 m) and a deck 65 ft wide.

Who owns I-55/I-74 SB over College AVE(FAU6352)?

It is owned by the State Highway Agency.