US Bridges

Hononegah Road over Ill 2

Fair

Winnebago County, Illinois · In Rockton · Structure no. 101012400000000

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
267 ft
4 main spans
Daily traffic
6,300
2022 count
Owner
State
State Highway Agency

About this bridge

Hononegah Road over Ill 2 is a steel continuous stringer/multi-beam or girder carrying Hononegah Road over Ill 2 in Winnebago County, Illinois. It was built in 1966, so it is 59 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 6,300 vehicles a day, roughly 3% of them trucks, projected to reach 5,050 by 2046. The structure is 267 ft (81.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHononegah Road
CrossesIll 2
LocationIn Rockton
Coordinates42.45103, -89.05951
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length267 ft (81.4 m)
Longest span78 ft (23.9 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2022)
Projected traffic5,050 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hononegah Road over Ill 2 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Hononegah Road over Ill 2 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 September 2023.

How much traffic does Hononegah Road over Ill 2 carry?

About 6,300 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Hononegah Road over Ill 2?

The structure is 267 ft (81.4 m) long with a longest span of 78 ft (23.9 m) and a deck 39 ft wide.

Who owns Hononegah Road over Ill 2?

It is owned by the State Highway Agency.