US Bridges

Ashman RD over US-10

Fair

Midland County, Michigan · In Midland · Structure no. 000000000006920

Built
1960
65 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
216 ft
4 main spans
Daily traffic
3,050
1988 count
Owner
State
State Highway Agency

About this bridge

Ashman RD over US-10 is a concrete continuous tee beam carrying Ashman RD over US-10 in Midland County, Michigan. It was built in 1960, so it is 65 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 3,050 vehicles a day, roughly 3% of them trucks, projected to reach 2,750 by 2016. The structure is 216 ft (65.7 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAshman RD
CrossesUS-10
LocationIn Midland
RouteCity Street 2015
Coordinates43.62663, -84.17683
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length216 ft (65.7 m)
Longest span66 ft (20.1 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (1988)
Projected traffic2,750 by 2016
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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$91,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ashman RD over US-10 built?

It was built in 1960, making it 65 years old in 2025.

What condition is Ashman 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 December 2024.

How much traffic does Ashman RD over US-10 carry?

About 3,050 vehicles per day (1988 count), of which roughly 3% are trucks.

How long is Ashman RD over US-10?

The structure is 216 ft (65.7 m) long with a longest span of 66 ft (20.1 m) and a deck 56 ft wide.

Who owns Ashman RD over US-10?

It is owned by the State Highway Agency.