US Bridges

Bay RD over US-10

Fair

Bay County, Michigan · 0.4 MI E of Midland Col · Structure no. 000000000000659

Built
1999
26 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
317 ft
3 main spans
Daily traffic
7,770
1995 count
Owner
State
State Highway Agency

About this bridge

Bay RD over US-10 is a prestressed concrete continuous stringer/multi-beam or girder carrying Bay RD over US-10 in Bay County, Michigan. It was built in 1999, so it is 26 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 6 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 7,770 vehicles a day, roughly 12% of them trucks, projected to reach 9,480 by 2015. The structure is 317 ft (96.6 m) long and 94 ft wide.

CarriesBay RD
CrossesUS-10
Location0.4 MI E of Midland Col
RouteCounty Highway 2015
Coordinates43.60488, -84.16078
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length317 ft (96.6 m)
Longest span128 ft (39.1 m)
Deck width94 ft (28.7 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,770 (1995)
Projected traffic9,480 by 2015
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bay RD over US-10 built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bay RD over US-10 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 Bay RD over US-10 carry?

About 7,770 vehicles per day (1995 count), of which roughly 12% are trucks.

How long is Bay RD over US-10?

The structure is 317 ft (96.6 m) long with a longest span of 128 ft (39.1 m) and a deck 94 ft wide.

Who owns Bay RD over US-10?

It is owned by the State Highway Agency.