US Bridges

Second Street over Hennepin Canal Feedr

Poor

Whiteside County, Illinois · E Edge of Rock Falls · Structure no. 098375100000000

Built
1976
49 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
2 main spans
Daily traffic
1,450
2021 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Second Street over Hennepin Canal Feedr is a prestressed concrete box beam or girders - multiple carrying Second Street over Hennepin Canal Feedr in Whiteside County, Illinois. It was built in 1976, so it is 49 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 1,450 vehicles a day, roughly 5% of them trucks, projected to reach 1,465 by 2046. The structure is 105 ft (32 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSecond Street
CrossesHennepin Canal Feedr
LocationE Edge of Rock Falls
Coordinates41.78675, -89.67681
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating15 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length105 ft (32 m)
Longest span56 ft (17.1 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2021)
Projected traffic1,465 by 2046
Trucks5%
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

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Second Street over Hennepin Canal Feedr built?

It was built in 1976, making it 49 years old in 2025.

What condition is Second Street over Hennepin Canal Feedr in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Second Street over Hennepin Canal Feedr carry?

About 1,450 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Second Street over Hennepin Canal Feedr?

The structure is 105 ft (32 m) long with a longest span of 56 ft (17.1 m) and a deck 33 ft wide.

Who owns Second Street over Hennepin Canal Feedr?

It is owned by the State Park, Forest, or Reservation Agency.