US Bridges

Forrest RD over East Br Waiska River

FairPosted for load

Chippewa County, Michigan · 7 MI NW of Dafter · Structure no. 000000000001666

Built
1990
35 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
2 main spans
Daily traffic
45
2005 count
Owner
County
County Highway Agency

About this bridge

Forrest RD over East Br Waiska River is a prestressed concrete box beam or girders - multiple carrying Forrest RD over East Br Waiska River in Chippewa 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 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 45 vehicles a day, projected to reach 75 by 2019. The structure is 120 ft (36.5 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesForrest RD
CrossesEast Br Waiska River
Location7 MI NW of Dafter
RouteCounty Highway 0
CountyChippewa County
StateMichigan
Coordinates46.40616, -84.49916
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length120 ft (36.5 m)
Longest span58 ft (17.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2005)
Projected traffic75 by 2019
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Forrest RD over East Br Waiska River built?

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

What condition is Forrest RD over East Br Waiska 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 June 2023.

How much traffic does Forrest RD over East Br Waiska River carry?

About 45 vehicles per day (2005 count).

How long is Forrest RD over East Br Waiska River?

The structure is 120 ft (36.5 m) long with a longest span of 58 ft (17.6 m) and a deck 30 ft wide.

Who owns Forrest RD over East Br Waiska River?

It is owned by the County Highway Agency.