Eleven Mile RD over US-10

Fair

Bay County, Michigan · 2.0 MI W of Auburn · Structure no. 000000000000664

Built: 1958; 67 years old
Condition: Fair; inspected April 2024
Type: Tee Beam; Concrete Continuous
Length: 198 ft; 4 main spans
Daily traffic: 895; 1995 count
Owner: State; State Highway Agency

About this bridge

Eleven Mile RD over US-10 is a concrete continuous tee beam carrying Eleven Mile RD over US-10 in Bay County, Michigan. It was built in 1958, so it is 67 years old, older 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 895 vehicles a day, roughly 3% of them trucks, projected to reach 430 by 1977. The structure is 198 ft (60.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesEleven Mile RD

CrossesUS-10

Location2.0 MI W of Auburn

RouteCounty Highway 0

CountyBay County

StateMichigan

Coordinates43.59732, -84.1091

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.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionApril 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment8: Equal to present desirable criteria

Operating rating57.1 US tons

Inventory rating34.3 US tons

Structure

Structure typeTee Beam

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans4

Design loadH 15

Structure length198 ft (60.3 m)

Longest span59 ft (17.9 m)

Deck width33 ft (10.1 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic895 (1995)

Projected traffic430 by 1977

Trucks3%

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 proposedDeck replacement with only incidental widening

Estimated improvement cost$82,000

NavigationNot applicable (no waterway)

Frequently asked questions

When was Eleven Mile RD over US-10 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Eleven Mile 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 April 2024.

How much traffic does Eleven Mile RD over US-10 carry?

About 895 vehicles per day (1995 count), of which roughly 3% are trucks.

How long is Eleven Mile RD over US-10?

The structure is 198 ft (60.3 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns Eleven Mile RD over US-10?

It is owned by the State Highway Agency.