US Bridges

Township Road No 8 over Furnacecreek

Fair

Jo Daviess County, Illinois · 2 MI N W Elizabeth · Structure no. 043308400000000

Built
1916
109 years old
Condition
Fair
inspected October 2024
Type
Other
Concrete
Length
39 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road No 8 over Furnacecreek is a concrete other carrying Township Road No 8 over Furnacecreek in Jo Daviess County, Illinois. It was built in 1916, so it is 109 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 5 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 51 by 2046. The structure is 39 ft (11.9 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTownship Road No 8
CrossesFurnacecreek
Location2 MI N W Elizabeth
RouteCounty Highway 0
CountyJo Daviess County
StateIllinois
Coordinates42.33004, -90.25793
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$98,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road No 8 over Furnacecreek built?

It was built in 1916, making it 109 years old in 2025.

What condition is Township Road No 8 over Furnacecreek 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 October 2024.

How much traffic does Township Road No 8 over Furnacecreek carry?

About 50 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Township Road No 8 over Furnacecreek?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 19 ft wide.

Who owns Township Road No 8 over Furnacecreek?

It is owned by the Town or Township Highway Agency.