US Bridges

Wolf RD over S Br Kishwaukee Riv.

Fair

DeKalb County, Illinois · 3350N 740E · Structure no. 019410000000000

Built
1953
72 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
175
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wolf RD over S Br Kishwaukee Riv. is a concrete tee beam carrying Wolf RD over S Br Kishwaukee Riv. in DeKalb County, Illinois. It was built in 1953, so it is 72 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 6 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 175 vehicles a day, roughly 55% of them trucks, projected to reach 196 by 2046. The structure is 28 ft (8.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesWolf RD
CrossesS Br Kishwaukee Riv.
Location3350N 740E
RouteCounty Highway 0
Coordinates42.11708, -88.8026
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length28 ft (8.6 m)
Longest span27 ft (8.3 m)
Deck width27 ft (8.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2021)
Projected traffic196 by 2046
Trucks55%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Wolf RD over S Br Kishwaukee Riv. built?

It was built in 1953, making it 72 years old in 2025.

What condition is Wolf RD over S Br Kishwaukee Riv. 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 March 2024.

How much traffic does Wolf RD over S Br Kishwaukee Riv. carry?

About 175 vehicles per day (2021 count), of which roughly 55% are trucks.

How long is Wolf RD over S Br Kishwaukee Riv.?

The structure is 28 ft (8.6 m) long with a longest span of 27 ft (8.3 m) and a deck 27 ft wide.

Who owns Wolf RD over S Br Kishwaukee Riv.?

It is owned by the Town or Township Highway Agency.