US Bridges

I-57(SB) over Cn Railway & Il 10

Fair

Champaign County, Illinois · W of Champaign · Structure no. 010001000000000

Built
1964
61 years old, rebuilt 2016
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
6 main spans
Daily traffic
12,900
2023 count
Owner
State
State Highway Agency

About this bridge

I-57(SB) over Cn Railway & Il 10 is a steel continuous stringer/multi-beam or girder carrying I-57(SB) over Cn Railway & Il 10 in Champaign County, Illinois. It was built in 1964 and reconstructed in 2016, so it is 61 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 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 12,900 vehicles a day, roughly 35% of them trucks, projected to reach 15,908 by 2046. The structure is 304 ft (92.7 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-57(SB)
CrossesCn Railway & Il 10
LocationW of Champaign
RouteInterstate 57
CountyChampaign County
StateIllinois
Coordinates40.11258, -88.30482
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.5 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length304 ft (92.7 m)
Longest span55 ft (16.9 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,900 (2023)
Projected traffic15,908 by 2046
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 Cn Railway & Il 10 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2016.

What condition is I-57(SB) over Cn Railway & Il 10 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 Cn Railway & Il 10 carry?

About 12,900 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is I-57(SB) over Cn Railway & Il 10?

The structure is 304 ft (92.7 m) long with a longest span of 55 ft (16.9 m) and a deck 37 ft wide.

Who owns I-57(SB) over Cn Railway & Il 10?

It is owned by the State Highway Agency.