US Bridges

Spile Dam RD over Ocqueoc River

PoorPosted for load

Presque Isle County, Michigan · N of CR 634 · Structure no. 000000000013867

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

Spile Dam RD over Ocqueoc River is a steel stringer/multi-beam or girder carrying Spile Dam RD over Ocqueoc River in Presque Isle County, Michigan. It was built in 1930, so it is 95 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 3 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 5% of them trucks, projected to reach 135 by 2033. The structure is 31 ft (9.3 m) long and 18 ft wide.

CarriesSpile Dam RD
CrossesOcqueoc River
LocationN of CR 634
RouteCounty Highway 0
Coordinates45.31636, -84.006
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating16.1 US tons
Inventory rating9.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span28 ft (8.5 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic135 by 2033
Trucks5%
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 Spile Dam RD over Ocqueoc River built?

It was built in 1930, making it 95 years old in 2025.

What condition is Spile Dam RD over Ocqueoc River 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 September 2024.

How much traffic does Spile Dam RD over Ocqueoc River carry?

About 100 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Spile Dam RD over Ocqueoc River?

The structure is 31 ft (9.3 m) long with a longest span of 28 ft (8.5 m) and a deck 18 ft wide.

Who owns Spile Dam RD over Ocqueoc River?

It is owned by the County Highway Agency.