US Bridges

Auburn RD over US-10 EB

Fair

Bay County, Michigan · S Lts of Auburn · Structure no. 000000000000666

Built
2015
10 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
2 main spans
Daily traffic
2,120
1983 count
Owner
State
State Highway Agency

About this bridge

Auburn RD over US-10 EB is a prestressed concrete stringer/multi-beam or girder carrying Auburn RD over US-10 EB in Bay County, Michigan. It was built in 2015, so it is 10 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 2,120 vehicles a day, projected to reach 2,120 by 1984. The structure is 171 ft (52.2 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAuburn RD
CrossesUS-10 EB
LocationS Lts of Auburn
RouteCounty Highway 0
CountyBay County
StateMichigan
Coordinates43.59677, -84.06945
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length171 ft (52.2 m)
Longest span84 ft (25.5 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,120 (1983)
Projected traffic2,120 by 1984
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
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 Auburn RD over US-10 EB built?

It was built in 2015, making it 10 years old in 2025.

What condition is Auburn RD over US-10 EB 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 2023.

How much traffic does Auburn RD over US-10 EB carry?

About 2,120 vehicles per day (1983 count).

How long is Auburn RD over US-10 EB?

The structure is 171 ft (52.2 m) long with a longest span of 84 ft (25.5 m) and a deck 34 ft wide.

Who owns Auburn RD over US-10 EB?

It is owned by the State Highway Agency.