US Bridges

Dugan Road over Welch Creek

Fair

Kane County, Illinois · Dugan .6 M S of US30 · Structure no. 045500500000000

Built
1974
51 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,650
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Dugan Road over Welch Creek is a concrete culvert carrying Dugan Road over Welch Creek in Kane County, Illinois. It was built in 1974, so it is 51 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 6 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 2,650 vehicles a day, roughly 6% of them trucks, projected to reach 2,928 by 2046. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesDugan Road
CrossesWelch Creek
LocationDugan .6 M S of US30
CountyKane County
StateIllinois
Coordinates41.75497, -88.48907
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.8 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic2,928 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Dugan Road over Welch Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Dugan Road over Welch Creek 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 April 2023.

How much traffic does Dugan Road over Welch Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Dugan Road over Welch Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.8 m) and a deck 36 ft wide.

Who owns Dugan Road over Welch Creek?

It is owned by the Town or Township Highway Agency.