US Bridges

Askel RD P109 over Otter River

FairPosted for load

Houghton County, Michigan · 4 MI NE of Elo · Structure no. 000000000003412

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
170
1993 count
Owner
County
County Highway Agency

About this bridge

Askel RD P109 over Otter River is a prestressed concrete box beam or girders - multiple carrying Askel RD P109 over Otter River in Houghton County, Michigan. It was built in 1983, so it is 42 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 170 vehicles a day, projected to reach 190 by 2013. The structure is 80 ft (24.3 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesAskel RD P109
CrossesOtter River
Location4 MI NE of Elo
RouteCounty Highway 3140
CountyHoughton County
StateMichigan
Coordinates46.89415, -88.58939
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry6: Equal to 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length80 ft (24.3 m)
Longest span39 ft (11.8 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (1993)
Projected traffic190 by 2013
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 Askel RD P109 over Otter River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Askel RD P109 over Otter 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 October 2023.

How much traffic does Askel RD P109 over Otter River carry?

About 170 vehicles per day (1993 count).

How long is Askel RD P109 over Otter River?

The structure is 80 ft (24.3 m) long with a longest span of 39 ft (11.8 m) and a deck 31 ft wide.

Who owns Askel RD P109 over Otter River?

It is owned by the County Highway Agency.