US Bridges

River Road over Winneshiek Creek

Good

Stephenson County, Illinois · 4 MI East Freeport · Structure no. 089300600000000

Built
1951
74 years old, rebuilt 2002
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
83 ft
3 main spans
Daily traffic
250
2024 count
Owner
County
County Highway Agency

About this bridge

River Road over Winneshiek Creek is a steel continuous stringer/multi-beam or girder carrying River Road over Winneshiek Creek in Stephenson County, Illinois. It was built in 1951 and reconstructed in 2002, so it is 74 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 250 vehicles a day, roughly 7% of them trucks, projected to reach 253 by 2046. The structure is 83 ft (25.3 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRiver Road
CrossesWinneshiek Creek
Location4 MI East Freeport
RouteCounty Highway 0
Coordinates42.30924, -89.51689
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span31 ft (9.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic253 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$333,000
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Winneshiek Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2002.

What condition is River Road over Winneshiek Creek 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 2024.

How much traffic does River Road over Winneshiek Creek carry?

About 250 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is River Road over Winneshiek Creek?

The structure is 83 ft (25.3 m) long with a longest span of 31 ft (9.4 m) and a deck 30 ft wide.

Who owns River Road over Winneshiek Creek?

It is owned by the County Highway Agency.