US Bridges

Bishop Road over Miller Drain

Good

Saginaw County, Michigan · 0.5 MI N of Fergus Road · Structure no. 000000000009253

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
504
2011 count
Owner
County
County Highway Agency

About this bridge

Bishop Road over Miller Drain is a prestressed concrete stringer/multi-beam or girder carrying Bishop Road over Miller Drain in Saginaw County, Michigan. It was built in 2012, so it is 13 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 504 vehicles a day, roughly 5% of them trucks, projected to reach 749 by 2031. The structure is 92 ft (28 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBishop Road
CrossesMiller Drain
Location0.5 MI N of Fergus Road
RouteCounty Highway 0
Coordinates43.26316, -84.03186
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length92 ft (28 m)
Longest span90 ft (27.3 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic504 (2011)
Projected traffic749 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bishop Road over Miller Drain built?

It was built in 2012, making it 13 years old in 2025.

What condition is Bishop Road over Miller 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 Bishop Road over Miller Drain carry?

About 504 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Bishop Road over Miller Drain?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.3 m) and a deck 34 ft wide.

Who owns Bishop Road over Miller Drain?

It is owned by the County Highway Agency.