US Bridges

Horoscope RD P127 over N Br Otter River

GoodPosted for load

Houghton County, Michigan · 2 MI W of Elo · Structure no. 000000000003415

Built
1984
41 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
60
1993 count
Owner
County
County Highway Agency

About this bridge

Horoscope RD P127 over N Br Otter River is a prestressed concrete box beam or girders - multiple carrying Horoscope RD P127 over N Br Otter River in Houghton County, Michigan. It was built in 1984, so it is 41 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. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 75 by 2013. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesHoroscope RD P127
CrossesN Br Otter River
Location2 MI W of Elo
RouteCounty Highway 3131
Coordinates46.85903, -88.67845
Functional classRural Major Collector

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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1993)
Projected traffic75 by 2013
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Horoscope RD P127 over N Br Otter River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Horoscope RD P127 over N Br 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 Horoscope RD P127 over N Br Otter River carry?

About 60 vehicles per day (1993 count).

How long is Horoscope RD P127 over N Br Otter River?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 31 ft wide.

Who owns Horoscope RD P127 over N Br Otter River?

It is owned by the County Highway Agency.