US Bridges

Ill 40 over Hennepin Canal Feedr

Good

Whiteside County, Illinois · .5 MI S of US 30 · Structure no. 098001500000000

Built
1966
59 years old, rebuilt 2015
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
6,450
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 40 over Hennepin Canal Feedr is a steel stringer/multi-beam or girder carrying Ill 40 over Hennepin Canal Feedr in Whiteside County, Illinois. It was built in 1966 and reconstructed in 2015, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,450 vehicles a day, roughly 10% of them trucks, projected to reach 6,515 by 2046. The structure is 71 ft (21.5 m) long and 93 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIll 40
CrossesHennepin Canal Feedr
Location.5 MI S of US 30
RouteState Highway 40
CountyWhiteside County
StateIllinois
Coordinates41.7579, -89.68954
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.5 m)
Longest span66 ft (20 m)
Deck width93 ft (28.4 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,450 (2021)
Projected traffic6,515 by 2046
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 Ill 40 over Hennepin Canal Feedr built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2015.

What condition is Ill 40 over Hennepin Canal Feedr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does Ill 40 over Hennepin Canal Feedr carry?

About 6,450 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Ill 40 over Hennepin Canal Feedr?

The structure is 71 ft (21.5 m) long with a longest span of 66 ft (20 m) and a deck 93 ft wide.

Who owns Ill 40 over Hennepin Canal Feedr?

It is owned by the State Highway Agency.