US Bridges

Road 107 over Whitney Drain

Fair

Arenac County, Michigan · At Turner RD · Structure no. 000000000000477

Built
1988
37 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
60
1998 count
Owner
County
County Highway Agency

About this bridge

Road 107 over Whitney Drain is a prestressed concrete box beam or girders - multiple carrying Road 107 over Whitney Drain in Arenac County, Michigan. It was built in 1988, so it is 37 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.

It carries about 60 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2008. The structure is 65 ft (19.8 m) long and 27 ft wide.

CarriesRoad 107
CrossesWhitney Drain
LocationAt Turner RD
RouteCounty Highway 0
Coordinates44.14356, -83.5856
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating68.9 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span58 ft (17.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (1998)
Projected traffic75 by 2008
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 Road 107 over Whitney Drain built?

It was built in 1988, making it 37 years old in 2025.

What condition is Road 107 over Whitney Drain 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 August 2024.

How much traffic does Road 107 over Whitney Drain carry?

About 60 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Road 107 over Whitney Drain?

The structure is 65 ft (19.8 m) long with a longest span of 58 ft (17.6 m) and a deck 27 ft wide.

Who owns Road 107 over Whitney Drain?

It is owned by the County Highway Agency.