US Bridges

I-57(SB) over Canadian National Railwa

Fair

Champaign County, Illinois · .75 MI N of US 136 · Structure no. 010019200000000

Built
1968
57 years old, rebuilt 2000
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
156 ft
3 main spans
Daily traffic
10,550
2023 count
Owner
State
State Highway Agency

About this bridge

I-57(SB) over Canadian National Railwa is a steel continuous stringer/multi-beam or girder carrying I-57(SB) over Canadian National Railwa in Champaign County, Illinois. It was built in 1968 and reconstructed in 2000, so it is 57 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 10,550 vehicles a day, roughly 31% of them trucks, projected to reach 10,656 by 2046. The structure is 156 ft (47.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-57(SB)
CrossesCanadian National Railwa
Location.75 MI N of US 136
RouteInterstate 57
Coordinates40.31839, -88.18266
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating93.3 US tons
Inventory rating56.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length156 ft (47.5 m)
Longest span59 ft (17.9 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,550 (2023)
Projected traffic10,656 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-57(SB) over Canadian National Railwa built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2000.

What condition is I-57(SB) over Canadian National Railwa 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 September 2023.

How much traffic does I-57(SB) over Canadian National Railwa carry?

About 10,550 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-57(SB) over Canadian National Railwa?

The structure is 156 ft (47.5 m) long with a longest span of 59 ft (17.9 m) and a deck 43 ft wide.

Who owns I-57(SB) over Canadian National Railwa?

It is owned by the State Highway Agency.