US Bridges

FAI 57 Ramps H D & over Copper Slough

Good

Champaign County, Illinois · 0.2 Mi. N. of FAI 74 · Structure no. 010204400000000

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
23,000
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 57 Ramps H D & over Copper Slough is a concrete culvert carrying FAI 57 Ramps H D & over Copper Slough in Champaign County, Illinois. It was built in 2023, so it is 2 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23,000 vehicles a day, roughly 39% of them trucks, projected to reach 27,000 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAI 57 Ramps H D &
CrossesCopper Slough
Location0.2 Mi. N. of FAI 74
RouteInterstate 57
CountyChampaign County
StateIllinois
Coordinates40.14774, -88.28177
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.8 US tons
Inventory rating74.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.2 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 traffic23,000 (2023)
Projected traffic27,000 by 2043
Trucks39%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FAI 57 Ramps H D & over Copper Slough built?

It was built in 2023, making it 2 years old in 2025.

What condition is FAI 57 Ramps H D & over Copper Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does FAI 57 Ramps H D & over Copper Slough carry?

About 23,000 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is FAI 57 Ramps H D & over Copper Slough?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FAI 57 Ramps H D & over Copper Slough?

It is owned by the State Highway Agency.