US Bridges

N Gold Mine Road over Br W Fork Elkhorn CR

Fair

Carroll County, Illinois · 6.5 M E of Lanark · Structure no. 008340800000000

Built
1982
43 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N Gold Mine Road over Br W Fork Elkhorn CR is a prestressed concrete box beam or girders - multiple carrying N Gold Mine Road over Br W Fork Elkhorn CR in Carroll County, Illinois. It was built in 1982, so it is 43 years old, younger 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 100 vehicles a day, roughly 24% of them trucks, projected to reach 101 by 2046. The structure is 24 ft (7.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN Gold Mine Road
CrossesBr W Fork Elkhorn CR
Location6.5 M E of Lanark
RouteCounty Highway 0
Coordinates42.116, -89.70555
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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N Gold Mine Road over Br W Fork Elkhorn CR built?

It was built in 1982, making it 43 years old in 2025.

What condition is N Gold Mine Road over Br W Fork Elkhorn CR 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 April 2023.

How much traffic does N Gold Mine Road over Br W Fork Elkhorn CR carry?

About 100 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is N Gold Mine Road over Br W Fork Elkhorn CR?

The structure is 24 ft (7.2 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns N Gold Mine Road over Br W Fork Elkhorn CR?

It is owned by the Town or Township Highway Agency.