US Bridges

FR 371 over Eighteenmile Creek

Good

Bayfield County, Wisconsin · 5 MI SW of Grandview Wi · Structure no. 091302000032390

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
77 ft
1 main span
Daily traffic
10
Owner
Federal
U.S. Forest Service

About this bridge

FR 371 over Eighteenmile Creek is a wood or timber stringer/multi-beam or girder carrying FR 371 over Eighteenmile Creek in Bayfield County, Wisconsin. It was built in 2020, so it is 5 years old, younger than the Wisconsin average of 40.3 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 10 vehicles a day, projected to reach 15 by 2045. The structure is 77 ft (23.5 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFR 371
CrossesEighteenmile Creek
Location5 MI SW of Grandview Wi
RouteFederal Lands Road 371
Coordinates46.31511, -91.13793
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (—)
Projected traffic15 by 2045
Trucks—
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

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FR 371 over Eighteenmile Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is FR 371 over Eighteenmile 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 July 2023.

How much traffic does FR 371 over Eighteenmile Creek carry?

About 10 vehicles per day (latest count).

How long is FR 371 over Eighteenmile Creek?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 26 ft wide.

Who owns FR 371 over Eighteenmile Creek?

It is owned by the U.S. Forest Service.