US Bridges

County Road D163C over Dead Stream

FairPosted for load

Houghton County, Michigan · 1.5 MI E 6 MI S of Sidnaw · Structure no. 000000000003427

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Other
Wood or Timber
Length
44 ft
2 main spans
Daily traffic
70
1993 count
Owner
County
County Highway Agency

About this bridge

County Road D163C over Dead Stream is a wood or timber other carrying County Road D163C over Dead Stream in Houghton County, Michigan. It was built in 1954, so it is 71 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, projected to reach 80 by 2013. The structure is 44 ft (13.4 m) long and 15 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesCounty Road D163C
CrossesDead Stream
Location1.5 MI E 6 MI S of Sidnaw
RouteCounty Highway 0
CountyHoughton County
StateMichigan
Coordinates46.42128, -88.68209
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeOther
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span22 ft (6.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (1993)
Projected traffic80 by 2013
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$280,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road D163C over Dead Stream built?

It was built in 1954, making it 71 years old in 2025.

What condition is County Road D163C over Dead Stream 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 October 2023.

How much traffic does County Road D163C over Dead Stream carry?

About 70 vehicles per day (1993 count).

How long is County Road D163C over Dead Stream?

The structure is 44 ft (13.4 m) long with a longest span of 22 ft (6.7 m) and a deck 15 ft wide.

Who owns County Road D163C over Dead Stream?

It is owned by the County Highway Agency.