US Bridges

Spruce Road over Filson Creek

Fair

Lake County, Minnesota · No Data Entered · Structure no. 090905000001018

Built
1953
72 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
15
1989 count
Owner
Federal
U.S. Forest Service

About this bridge

Spruce Road over Filson Creek is a steel culvert carrying Spruce Road over Filson Creek in Lake County, Minnesota. It was built in 1953, so it is 72 years old, older than the Minnesota average of 38.5 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 98.2 mi (158 km).

CarriesSpruce Road
CrossesFilson Creek
LocationNo Data Entered
RouteFederal Lands Road 181
Coordinates47.84167, -91.66389
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span0 ft (0 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1989)
Projected traffic22 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 Spruce Road over Filson Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Spruce Road over Filson Creek 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 2023.

How much traffic does Spruce Road over Filson Creek carry?

About 15 vehicles per day (1989 count).

How long is Spruce Road over Filson Creek?

The structure is 20 ft (6.2 m) long.

Who owns Spruce Road over Filson Creek?

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