US Bridges

Il 64 FAP 307 over Ditch

Good

DeKalb County, Illinois · 1.04 MI E of Il 23N · Structure no. 019202100000000

Built
2002
23 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
7,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 64 FAP 307 over Ditch is a concrete culvert carrying Il 64 FAP 307 over Ditch in DeKalb County, Illinois. It was built in 2002, so it is 23 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 7,700 vehicles a day, roughly 7% of them trucks, projected to reach 9,576 by 2046. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesIl 64 FAP 307
CrossesDitch
Location1.04 MI E of Il 23N
RouteState Highway 64
Coordinates41.9851, -88.6649
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span8 ft (2.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2023)
Projected traffic9,576 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Il 64 FAP 307 over Ditch built?

It was built in 2002, making it 23 years old in 2025.

What condition is Il 64 FAP 307 over 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 March 2023.

How much traffic does Il 64 FAP 307 over Ditch carry?

About 7,700 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Il 64 FAP 307 over Ditch?

The structure is 28 ft (8.6 m) long with a longest span of 8 ft (2.5 m).

Who owns Il 64 FAP 307 over Ditch?

It is owned by the State Highway Agency.