US Bridges

Mason Road over Potato Creek Drain

Good

Gratiot County, Michigan · Sec 1-2 Hamilton Twp · Structure no. 000000000003207

Built
1994
31 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
77
2004 count
Owner
County
County Highway Agency

About this bridge

Mason Road over Potato Creek Drain is a prestressed concrete box beam or girders - multiple carrying Mason Road over Potato Creek Drain in Gratiot County, Michigan. It was built in 1994, so it is 31 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.

It carries about 77 vehicles a day, projected to reach 99 by 2024. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMason Road
CrossesPotato Creek Drain
LocationSec 1-2 Hamilton Twp
RouteCounty Highway 0
Coordinates43.28441, -84.38928
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating73 US tons
Inventory rating43.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77 (2004)
Projected traffic99 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mason Road over Potato Creek Drain built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mason Road over Potato Creek Drain 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 July 2024.

How much traffic does Mason Road over Potato Creek Drain carry?

About 77 vehicles per day (2004 count).

How long is Mason Road over Potato Creek Drain?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Mason Road over Potato Creek Drain?

It is owned by the County Highway Agency.