US Bridges

I-57 over Stream

Fair

Champaign County, Illinois · 1 MI S of Thomaboro · Structure no. 010200200000000

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
22,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-57 over Stream is a concrete continuous culvert carrying I-57 over Stream in Champaign County, Illinois. It was built in 1968, 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 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 22,500 vehicles a day, roughly 31% of them trucks, projected to reach 26,260 by 2046. The structure is 38 ft (11.7 m) long.

Location

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CarriesI-57
CrossesStream
Location1 MI S of Thomaboro
RouteInterstate 57
CountyChampaign County
StateIllinois
Coordinates40.22206, -88.20433
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2023)
Projected traffic26,260 by 2046
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-57 over Stream built?

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

What condition is I-57 over Stream 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 over Stream carry?

About 22,500 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-57 over Stream?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m).

Who owns I-57 over Stream?

It is owned by the State Highway Agency.