US Bridges

Ill 64 over Drainage Ditch

Fair

Ogle County, Illinois · .41 MI E Chana RD · Structure no. 071200700000000

Built
1933
92 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
3,600
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 64 over Drainage Ditch is a concrete culvert carrying Ill 64 over Drainage Ditch in Ogle County, Illinois. It was built in 1933, so it is 92 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 5 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 3,600 vehicles a day, roughly 16% of them trucks, projected to reach 3,380 by 2046. The structure is 28 ft (8.6 m) long and 40 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesIll 64
CrossesDrainage Ditch
Location.41 MI E Chana RD
RouteState Highway 64
CountyOgle County
StateIllinois
Coordinates42.00462, -89.21263
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length28 ft (8.6 m)
Longest span14 ft (4.2 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2023)
Projected traffic3,380 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Ill 64 over Drainage Ditch built?

It was built in 1933, making it 92 years old in 2025.

What condition is Ill 64 over Drainage Ditch 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 February 2023.

How much traffic does Ill 64 over Drainage Ditch carry?

About 3,600 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Ill 64 over Drainage Ditch?

The structure is 28 ft (8.6 m) long with a longest span of 14 ft (4.2 m) and a deck 40 ft wide.

Who owns Ill 64 over Drainage Ditch?

It is owned by the State Highway Agency.