US Bridges

Harrison Ave W B over Cn & UP RR

Good

Winnebago County, Illinois · 1 MI E of Il 251 · Structure no. 101610900000000

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
419 ft
5 main spans
Daily traffic
16,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harrison Ave W B over Cn & UP RR is a steel continuous stringer/multi-beam or girder carrying Harrison Ave W B over Cn & UP RR in Winnebago County, Illinois. It was built in 2007, so it is 18 years old, younger 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 16,100 vehicles a day, roughly 6% of them trucks, projected to reach 7,979 by 2046. The structure is 419 ft (127.8 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHarrison Ave W B
CrossesCn & UP RR
Location1 MI E of Il 251
Coordinates42.23784, -89.05273
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length419 ft (127.8 m)
Longest span103 ft (31.4 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2022)
Projected traffic7,979 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Harrison Ave W B over Cn & UP RR built?

It was built in 2007, making it 18 years old in 2025.

What condition is Harrison Ave W B over Cn & UP RR 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 July 2023.

How much traffic does Harrison Ave W B over Cn & UP RR carry?

About 16,100 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Harrison Ave W B over Cn & UP RR?

The structure is 419 ft (127.8 m) long with a longest span of 103 ft (31.4 m) and a deck 37 ft wide.

Who owns Harrison Ave W B over Cn & UP RR?

It is owned by the City or Municipal Highway Agency.