US Bridges

Township Road No. over Sinsinawa River

Fair

Jo Daviess County, Illinois · 3 M E Menominee · Structure no. 043304200000000

Built
1964
61 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
1 main span
Daily traffic
700
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road No. over Sinsinawa River is a steel stringer/multi-beam or girder carrying Township Road No. over Sinsinawa River in Jo Daviess County, Illinois. It was built in 1964, so it is 61 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 700 vehicles a day, roughly 34% of them trucks, projected to reach 707 by 2046. The structure is 69 ft (21 m) long and 23 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesTownship Road No.
CrossesSinsinawa River
Location3 M E Menominee
RouteCounty Highway 0
CountyJo Daviess County
StateIllinois
Coordinates42.47888, -90.48651
Functional classRural Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic707 by 2046
Trucks34%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Township Road No. over Sinsinawa River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Township Road No. over Sinsinawa River 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 2024.

How much traffic does Township Road No. over Sinsinawa River carry?

About 700 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is Township Road No. over Sinsinawa River?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 23 ft wide.

Who owns Township Road No. over Sinsinawa River?

It is owned by the Town or Township Highway Agency.