US Bridges

W CO Line RD (FAS1 over Dry Run

Good

DeKalb County, Illinois · 1030N 00E · Structure no. 019307500000000

Built
2014
11 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
525
2024 count
Owner
County
County Highway Agency

About this bridge

W CO Line RD (FAS1 over Dry Run is a concrete culvert carrying W CO Line RD (FAS1 over Dry Run in DeKalb County, Illinois. It was built in 2014, so it is 11 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 525 vehicles a day, roughly 10% of them trucks, projected to reach 532 by 2046. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesW CO Line RD (FAS1
CrossesDry Run
Location1030N 00E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.77951, -88.94141
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.7 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 traffic525 (2024)
Projected traffic532 by 2046
Trucks10%
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

OwnerCounty Highway Agency
Maintained byCounty 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 W CO Line RD (FAS1 over Dry Run built?

It was built in 2014, making it 11 years old in 2025.

What condition is W CO Line RD (FAS1 over Dry Run 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 December 2024.

How much traffic does W CO Line RD (FAS1 over Dry Run carry?

About 525 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is W CO Line RD (FAS1 over Dry Run?

The structure is 25 ft (7.7 m) long with a longest span of 12 ft (3.7 m).

Who owns W CO Line RD (FAS1 over Dry Run?

It is owned by the County Highway Agency.