US Bridges

I-55 Busn Lp NB & over Sugar CR & Bike Path

Fair

McLean County, Illinois · 1.1 MI N of Ill 9 · Structure no. 057022800000000

Built
2000
25 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
41,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-55 Busn Lp NB & over Sugar CR & Bike Path is a prestressed concrete continuous stringer/multi-beam or girder carrying I-55 Busn Lp NB & over Sugar CR & Bike Path in McLean County, Illinois. It was built in 2000, so it is 25 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 41,100 vehicles a day, roughly 3% of them trucks, projected to reach 41,100 by 2046. The structure is 183 ft (55.8 m) long and 133 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-55 Busn Lp NB &
CrossesSugar CR & Bike Path
Location1.1 MI N of Ill 9
RouteInterstate 55
CountyMcLean County
StateIllinois
Coordinates40.50446, -88.95307
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span77 ft (23.5 m)
Deck width133 ft (40.4 m)
Roadway width116 ft (35.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,100 (2023)
Projected traffic41,100 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-55 Busn Lp NB & over Sugar CR & Bike Path built?

It was built in 2000, making it 25 years old in 2025.

What condition is I-55 Busn Lp NB & over Sugar CR & Bike Path 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 May 2023.

How much traffic does I-55 Busn Lp NB & over Sugar CR & Bike Path carry?

About 41,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I-55 Busn Lp NB & over Sugar CR & Bike Path?

The structure is 183 ft (55.8 m) long with a longest span of 77 ft (23.5 m) and a deck 133 ft wide.

Who owns I-55 Busn Lp NB & over Sugar CR & Bike Path?

It is owned by the State Highway Agency.