US Bridges

Hamborg Road over S Kinnikinnick CR

Fair

Winnebago County, Illinois · 0.1 M S Burr Oak RD · Structure no. 101307400000000

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Hamborg Road over S Kinnikinnick CR is a prestressed concrete box beam or girders - multiple carrying Hamborg Road over S Kinnikinnick CR in Winnebago County, Illinois. It was built in 1984, so it is 41 years old, younger 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 1,100 vehicles a day, roughly 3% of them trucks, projected to reach 1,061 by 2046. The structure is 102 ft (31.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHamborg Road
CrossesS Kinnikinnick CR
Location0.1 M S Burr Oak RD
CountyWinnebago County
StateIllinois
Coordinates42.41597, -88.9776
Functional classRural Minor Collector

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 inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating22.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,061 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Hamborg Road over S Kinnikinnick CR built?

It was built in 1984, making it 41 years old in 2025.

What condition is Hamborg Road over S Kinnikinnick CR 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 May 2023.

How much traffic does Hamborg Road over S Kinnikinnick CR carry?

About 1,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Hamborg Road over S Kinnikinnick CR?

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Hamborg Road over S Kinnikinnick CR?

It is owned by the Town or Township Highway Agency.