US Bridges

Il 64 over Drainage Ditch

Fair

Ogle County, Illinois · 5.7 MI E JCT Ill 26 · Structure no. 071001500000000

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 64 over Drainage Ditch is a concrete continuous slab carrying Il 64 over Drainage Ditch in Ogle County, Illinois. It was built in 1955, so it is 70 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 1,500 vehicles a day, roughly 17% of them trucks, projected to reach 1,456 by 2046. The structure is 46 ft (14 m) long and 42 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesIl 64
CrossesDrainage Ditch
Location5.7 MI E JCT Ill 26
RouteState Highway 64
CountyOgle County
StateIllinois
Coordinates42.04883, -89.47724
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length46 ft (14 m)
Longest span22 ft (6.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,456 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 over Drainage Ditch built?

It was built in 1955, making it 70 years old in 2025.

What condition is Il 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 November 2023.

How much traffic does Il 64 over Drainage Ditch carry?

About 1,500 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Il 64 over Drainage Ditch?

The structure is 46 ft (14 m) long with a longest span of 22 ft (6.7 m) and a deck 42 ft wide.

Who owns Il 64 over Drainage Ditch?

It is owned by the State Highway Agency.