US Bridges

East-West RD over Naomikong CR

Poor

Chippewa County, Michigan · 10 MI N of Strongs · Structure no. 091004000001058

Built
1947
78 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
43 ft
2 main spans
Daily traffic
30
1998 count
Owner
Federal
U.S. Forest Service

About this bridge

East-West RD over Naomikong CR is a wood or timber stringer/multi-beam or girder carrying East-West RD over Naomikong CR in Chippewa County, Michigan. It was built in 1947, so it is 78 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 30 vehicles a day, projected to reach 15 by 2018. The structure is 43 ft (13 m) long and 20 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesEast-West RD
CrossesNaomikong CR
Location10 MI N of Strongs
RouteFederal Lands Road 3150
CountyChippewa County
StateMichigan
Coordinates46.46038, -84.98677
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length43 ft (13 m)
Longest span21 ft (6.5 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (1998)
Projected traffic15 by 2018
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$22,000
NavigationNo navigation control on waterway

Frequently asked questions

When was East-West RD over Naomikong CR built?

It was built in 1947, making it 78 years old in 2025.

What condition is East-West RD over Naomikong CR 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 East-West RD over Naomikong CR carry?

About 30 vehicles per day (1998 count).

How long is East-West RD over Naomikong CR?

The structure is 43 ft (13 m) long with a longest span of 21 ft (6.5 m) and a deck 20 ft wide.

Who owns East-West RD over Naomikong CR?

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