US Bridges

Chetlain Lain over Sinsinawa River

Good

Jo Daviess County, Illinois · 2 MI W of Galena · Structure no. 043321100000000

Built
1981
44 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
164 ft
3 main spans
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Chetlain Lain over Sinsinawa River is a prestressed concrete box beam or girders - multiple carrying Chetlain Lain over Sinsinawa River in Jo Daviess County, Illinois. It was built in 1981, so it is 44 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 250 vehicles a day, roughly 22% of them trucks, projected to reach 253 by 2046. The structure is 164 ft (50 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesChetlain Lain
CrossesSinsinawa River
Location2 MI W of Galena
RouteCounty Highway 0
CountyJo Daviess County
StateIllinois
Coordinates42.43286, -90.4886
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length164 ft (50 m)
Longest span54 ft (16.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic253 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$284,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chetlain Lain over Sinsinawa River built?

It was built in 1981, making it 44 years old in 2025.

What condition is Chetlain Lain over Sinsinawa River 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 March 2023.

How much traffic does Chetlain Lain over Sinsinawa River carry?

About 250 vehicles per day (2021 count), of which roughly 22% are trucks.

How long is Chetlain Lain over Sinsinawa River?

The structure is 164 ft (50 m) long with a longest span of 54 ft (16.5 m) and a deck 24 ft wide.

Who owns Chetlain Lain over Sinsinawa River?

It is owned by the Town or Township Highway Agency.