US Bridges

Ashley Rd/Fau 5974 over Drainage Ditch

Good

Grundy County, Illinois · .14 MI S of US 6 · Structure no. 032382600000000

Built
1988
37 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,850
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ashley Rd/Fau 5974 over Drainage Ditch is a concrete continuous culvert carrying Ashley Rd/Fau 5974 over Drainage Ditch in Grundy County, Illinois. It was built in 1988, so it is 37 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 2,850 vehicles a day, roughly 24% of them trucks, projected to reach 3,240 by 2046. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesAshley Rd/Fau 5974
CrossesDrainage Ditch
Location.14 MI S of US 6
CountyGrundy County
StateIllinois
Coordinates41.39424, -88.40306
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2024)
Projected traffic3,240 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ashley Rd/Fau 5974 over Drainage Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ashley Rd/Fau 5974 over Drainage Ditch 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 June 2021.

How much traffic does Ashley Rd/Fau 5974 over Drainage Ditch carry?

About 2,850 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Ashley Rd/Fau 5974 over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Ashley Rd/Fau 5974 over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.