US Bridges

FAP 68 - Il 23 over Drainage Ditch

Good

DeKalb County, Illinois · 0.6 MI N. of US 30 · Structure no. 019201300000000

Built
1991
34 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,150
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 68 - Il 23 over Drainage Ditch is a concrete culvert carrying FAP 68 - Il 23 over Drainage Ditch in DeKalb County, Illinois. It was built in 1991, so it is 34 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 3,150 vehicles a day, roughly 9% of them trucks, projected to reach 3,696 by 2046. The structure is 23 ft (6.9 m) long and 60 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesFAP 68 - Il 23
CrossesDrainage Ditch
Location0.6 MI N. of US 30
RouteState Highway 23
CountyDeKalb County
StateIllinois
Coordinates41.77746, -88.75426
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span10 ft (3.2 m)
Deck width60 ft (18.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,150 (2023)
Projected traffic3,696 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 68 - Il 23 over Drainage Ditch built?

It was built in 1991, making it 34 years old in 2025.

What condition is FAP 68 - Il 23 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 February 2021.

How much traffic does FAP 68 - Il 23 over Drainage Ditch carry?

About 3,150 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is FAP 68 - Il 23 over Drainage Ditch?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3.2 m) and a deck 60 ft wide.

Who owns FAP 68 - Il 23 over Drainage Ditch?

It is owned by the State Highway Agency.