US Bridges

I-55 SB over Toledo Peoria & Westrn R

Fair

McLean County, Illinois · .25 MI N of US 24 · Structure no. 057017800000000

Built
1977
48 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
147 ft
3 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-55 SB over Toledo Peoria & Westrn R is a steel continuous stringer/multi-beam or girder carrying I-55 SB over Toledo Peoria & Westrn R in McLean County, Illinois. It was built in 1977, so it is 48 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 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 10,500 vehicles a day, roughly 31% of them trucks, projected to reach 10,500 by 2046. The structure is 147 ft (44.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-55 SB
CrossesToledo Peoria & Westrn R
Location.25 MI N of US 24
RouteInterstate 55
CountyMcLean County
StateIllinois
Coordinates40.74533, -88.73752
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length147 ft (44.8 m)
Longest span52 ft (16 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2023)
Projected traffic10,500 by 2046
Trucks31%
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-55 SB over Toledo Peoria & Westrn R built?

It was built in 1977, making it 48 years old in 2025.

What condition is I-55 SB over Toledo Peoria & Westrn R 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 2023.

How much traffic does I-55 SB over Toledo Peoria & Westrn R carry?

About 10,500 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-55 SB over Toledo Peoria & Westrn R?

The structure is 147 ft (44.8 m) long with a longest span of 52 ft (16 m) and a deck 42 ft wide.

Who owns I-55 SB over Toledo Peoria & Westrn R?

It is owned by the State Highway Agency.