US Bridges

Beaufort Lake Road over Spurr River

Fair

Baraga County, Michigan · 2.5 MI W of Michigammee · Structure no. 000000000000501

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
88
2016 count
Owner
County
County Highway Agency

About this bridge

Beaufort Lake Road over Spurr River is a concrete culvert carrying Beaufort Lake Road over Spurr River in Baraga County, Michigan. It was built in 1990, so it is 35 years old, younger than the Michigan average of 48.3 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 88 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2036. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBeaufort Lake Road
CrossesSpurr River
Location2.5 MI W of Michigammee
RouteCounty Highway 0
CountyBaraga County
StateMichigan
Coordinates46.54411, -88.16491
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2016)
Projected traffic150 by 2036
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Beaufort Lake Road over Spurr River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Beaufort Lake Road over Spurr River 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 Beaufort Lake Road over Spurr River carry?

About 88 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Beaufort Lake Road over Spurr River?

The structure is 32 ft (9.7 m) long with a longest span of 29 ft (8.8 m).

Who owns Beaufort Lake Road over Spurr River?

It is owned by the County Highway Agency.