US Bridges

Hillcrest Drive over S. Br of Kishwaukee Rive

Fair

DeKalb County, Illinois · 0.2MI. E. of N. 1st. · Structure no. 019600100000000

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
4 main spans
Daily traffic
9,200
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hillcrest Drive over S. Br of Kishwaukee Rive is a prestressed concrete box beam or girders - multiple carrying Hillcrest Drive over S. Br of Kishwaukee Rive in DeKalb County, Illinois. It was built in 1964, so it is 61 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 9,200 vehicles a day, roughly 4% of them trucks, projected to reach 10,304 by 2046. The structure is 128 ft (39.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHillcrest Drive
CrossesS. Br of Kishwaukee Rive
Location0.2MI. E. of N. 1st.
CountyDeKalb County
StateIllinois
Coordinates41.94059, -88.74621
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length128 ft (39.1 m)
Longest span31 ft (9.4 m)
Deck width52 ft (15.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2021)
Projected traffic10,304 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hillcrest Drive over S. Br of Kishwaukee Rive built?

It was built in 1964, making it 61 years old in 2025.

What condition is Hillcrest Drive over S. Br of Kishwaukee Rive 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 October 2024.

How much traffic does Hillcrest Drive over S. Br of Kishwaukee Rive carry?

About 9,200 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Hillcrest Drive over S. Br of Kishwaukee Rive?

The structure is 128 ft (39.1 m) long with a longest span of 31 ft (9.4 m) and a deck 52 ft wide.

Who owns Hillcrest Drive over S. Br of Kishwaukee Rive?

It is owned by the City or Municipal Highway Agency.