US Bridges

County Road 651G over N Branch of Otter River

Good

Houghton County, Michigan · .25 MI W 4.25 MI N Tapiol · Structure no. 000000000003430

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
50
2002 count
Owner
County
County Highway Agency

About this bridge

County Road 651G over N Branch of Otter River is a prestressed concrete box beam or girders - multiple carrying County Road 651G over N Branch of Otter River in Houghton County, Michigan. It was built in 2002, so it is 23 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 3% of them trucks, projected to reach 50 by 2021. The structure is 50 ft (15.2 m) long and 25 ft wide.

CarriesCounty Road 651G
CrossesN Branch of Otter River
Location.25 MI W 4.25 MI N Tapiol
RouteCounty Highway 0
Coordinates46.99393, -88.62549
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2002)
Projected traffic50 by 2021
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 County Road 651G over N Branch of Otter River built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 651G over N Branch of Otter River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does County Road 651G over N Branch of Otter River carry?

About 50 vehicles per day (2002 count), of which roughly 3% are trucks.

How long is County Road 651G over N Branch of Otter River?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 25 ft wide.

Who owns County Road 651G over N Branch of Otter River?

It is owned by the County Highway Agency.