US Bridges

Duncan Rd(fau 7155 over FAP 725

Good

Champaign County, Illinois · W of Champaign · Structure no. 010017000000000

Built
1966
59 years old, rebuilt 2001
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
221 ft
4 main spans
Daily traffic
7,600
2021 count
Owner
State
State Highway Agency

About this bridge

Duncan Rd(fau 7155 over FAP 725 is a steel continuous stringer/multi-beam or girder carrying Duncan Rd(fau 7155 over FAP 725 in Champaign County, Illinois. It was built in 1966 and reconstructed in 2001, so it is 59 years old, older 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 7,600 vehicles a day, roughly 9% of them trucks, projected to reach 7,676 by 2046. The structure is 221 ft (67.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDuncan Rd(fau 7155
CrossesFAP 725
LocationW of Champaign
CountyChampaign County
StateIllinois
Coordinates40.12002, -88.29554
Functional classUrban Minor Arterial

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.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length221 ft (67.5 m)
Longest span67 ft (20.5 m)
Deck width43 ft (13.2 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2021)
Projected traffic7,676 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Duncan Rd(fau 7155 over FAP 725 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2001.

What condition is Duncan Rd(fau 7155 over FAP 725 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 October 2022.

How much traffic does Duncan Rd(fau 7155 over FAP 725 carry?

About 7,600 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Duncan Rd(fau 7155 over FAP 725?

The structure is 221 ft (67.5 m) long with a longest span of 67 ft (20.5 m) and a deck 43 ft wide.

Who owns Duncan Rd(fau 7155 over FAP 725?

It is owned by the State Highway Agency.