US Bridges

US-41 over Bayou & Blk Water Creek

Poor

Baraga County, Michigan · 2.1 MI SE of Baraga · Structure no. 000000000000485

Built
1933
92 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
5,182
2007 count
Owner
State
State Highway Agency

About this bridge

US-41 over Bayou & Blk Water Creek is a concrete culvert carrying US-41 over Bayou & Blk Water Creek in Baraga County, Michigan. It was built in 1933, so it is 92 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,182 vehicles a day, roughly 7% of them trucks, projected to reach 9,656 by 2018. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesUS-41
CrossesBayou & Blk Water Creek
Location2.1 MI SE of Baraga
RouteU.S. Route 41
Coordinates46.75353, -88.49378
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,182 (2007)
Projected traffic9,656 by 2018
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US-41 over Bayou & Blk Water Creek built?

It was built in 1933, making it 92 years old in 2025.

What condition is US-41 over Bayou & Blk Water Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does US-41 over Bayou & Blk Water Creek carry?

About 5,182 vehicles per day (2007 count), of which roughly 7% are trucks.

How long is US-41 over Bayou & Blk Water Creek?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.2 m).

Who owns US-41 over Bayou & Blk Water Creek?

It is owned by the State Highway Agency.