US Bridges

Mullikin DR over Copper Slough

Good

Champaign County, Illinois · 1400 N 750 E · Structure no. 010446900000000

Built
2001
24 years old
Condition
Good
inspected September 2022
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
1,250
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mullikin DR over Copper Slough is a concrete continuous slab carrying Mullikin DR over Copper Slough in Champaign County, Illinois. It was built in 2001, so it is 24 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 1,250 vehicles a day, roughly 4% of them trucks, projected to reach 1,263 by 2046. The structure is 120 ft (36.6 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMullikin DR
CrossesCopper Slough
Location1400 N 750 E
RouteCity Street 0
CountyChampaign County
StateIllinois
Coordinates40.08548, -88.32206
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span44 ft (13.3 m)
Deck width45 ft (13.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2021)
Projected traffic1,263 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mullikin DR over Copper Slough built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mullikin DR 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 September 2022.

How much traffic does Mullikin DR over Copper Slough carry?

About 1,250 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Mullikin DR over Copper Slough?

The structure is 120 ft (36.6 m) long with a longest span of 44 ft (13.3 m) and a deck 45 ft wide.

Who owns Mullikin DR over Copper Slough?

It is owned by the City or Municipal Highway Agency.