US Bridges

Hazel Swamp Road over W Br Otter River

Poor

Houghton County, Michigan · 1.8 MI N of N Laird RD · Structure no. 000000000013725

Built
1997
28 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
45 ft
1 main span
Daily traffic
10
2013 count
Owner
Local
Other Local Agency

About this bridge

Hazel Swamp Road over W Br Otter River is a wood or timber slab carrying Hazel Swamp Road over W Br Otter River in Houghton County, Michigan. It was built in 1997, so it is 28 years old, younger 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 3 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 10 vehicles a day, projected to reach 10 by 2033. The structure is 45 ft (13.7 m) long and 16 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesHazel Swamp Road
CrossesW Br Otter River
Location1.8 MI N of N Laird RD
RouteState Lands Road 0
Coordinates46.81811, -88.71278
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating25.4 US tons
Inventory rating7.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span44 ft (13.4 m)
Deck width16 ft (5 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2013)
Projected traffic10 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther State 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 Hazel Swamp Road over W Br Otter River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Hazel Swamp Road over W Br Otter River 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 October 2024.

How much traffic does Hazel Swamp Road over W Br Otter River carry?

About 10 vehicles per day (2013 count).

How long is Hazel Swamp Road over W Br Otter River?

The structure is 45 ft (13.7 m) long with a longest span of 44 ft (13.4 m) and a deck 16 ft wide.

Who owns Hazel Swamp Road over W Br Otter River?

It is owned by the Other Local Agency and maintained by the Other State Agency.