US Bridges

I-57 over Carl Branch

Fair

Champaign County, Illinois · 4 MI S US 136 · Structure no. 010022600000000

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
22,500
2023 count
Owner
State
State Highway Agency

About this bridge

I-57 over Carl Branch is a concrete continuous culvert carrying I-57 over Carl Branch in Champaign County, Illinois. It was built in 1969, 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 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 23 ft (7 m) long.

Location

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CarriesI-57
CrossesCarl Branch
Location4 MI S US 136
RouteInterstate 57
CountyChampaign County
StateIllinois
Coordinates40.24814, -88.19307
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
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 rating61.1 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span11 ft (3.4 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 Carl Branch built?

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

What condition is I-57 over Carl Branch 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 Carl Branch carry?

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

How long is I-57 over Carl Branch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns I-57 over Carl Branch?

It is owned by the State Highway Agency.