US Bridges

Riverroad over Ocqueoc River

PoorPosted for load

Presque Isle County, Michigan · 4.0 MI N of Millersburg · Structure no. 000000000008993

Built
1935
90 years old
Condition
Poor
inspected September 2024
Type
Girder and Floorbeam System
Concrete
Length
51 ft
1 main span
Daily traffic
210
2007 count
Owner
County
County Highway Agency

About this bridge

Riverroad over Ocqueoc River is a concrete girder and floorbeam system carrying Riverroad over Ocqueoc River in Presque Isle County, Michigan. It was built in 1935, so it is 90 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 4 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 210 vehicles a day, projected to reach 300 by 2027. The structure is 51 ft (15.5 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRiverroad
CrossesOcqueoc River
Location4.0 MI N of Millersburg
RouteCounty Highway 0
Coordinates45.38906, -84.05917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating29.9 US tons
Inventory rating29.9 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span46 ft (14 m)
Deck width25 ft (7.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2007)
Projected traffic300 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$585,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverroad over Ocqueoc River built?

It was built in 1935, making it 90 years old in 2025.

What condition is Riverroad 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 Riverroad over Ocqueoc River carry?

About 210 vehicles per day (2007 count).

How long is Riverroad over Ocqueoc River?

The structure is 51 ft (15.5 m) long with a longest span of 46 ft (14 m) and a deck 25 ft wide.

Who owns Riverroad over Ocqueoc River?

It is owned by the County Highway Agency.