US Bridges

I-57(NB) over US 136(FAP 709)

Fair

Champaign County, Illinois · Rantoul · Structure no. 010001300000000

Built
1969
56 years old, rebuilt 2000
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
4 main spans
Daily traffic
10,550
2023 count
Owner
State
State Highway Agency

About this bridge

I-57(NB) over US 136(FAP 709) is a steel continuous stringer/multi-beam or girder carrying I-57(NB) over US 136(FAP 709) in Champaign County, Illinois. It was built in 1969 and reconstructed in 2000, so it is 56 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 200 ft (60.9 m) long and 55 ft wide.

Location

Open in Google Maps
CarriesI-57(NB)
CrossesUS 136(FAP 709)
LocationRantoul
RouteInterstate 57
CountyChampaign County
StateIllinois
Coordinates40.30814, -88.18385
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating61.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length200 ft (60.9 m)
Longest span59 ft (18 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,550 (2023)
Projected traffic10,656 by 2046
Trucks31%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-57(NB) over US 136(FAP 709) built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2000.

What condition is I-57(NB) over US 136(FAP 709) 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(NB) over US 136(FAP 709) carry?

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

How long is I-57(NB) over US 136(FAP 709)?

The structure is 200 ft (60.9 m) long with a longest span of 59 ft (18 m) and a deck 55 ft wide.

Who owns I-57(NB) over US 136(FAP 709)?

It is owned by the State Highway Agency.