US Bridges

Shaffer RD over US-10

Fair

Midland County, Michigan · 3.2 MI Ese of Isabell Col · Structure no. 000000000006925

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
4 main spans
Daily traffic
1,381
1996 count
Owner
State
State Highway Agency

About this bridge

Shaffer RD over US-10 is a steel stringer/multi-beam or girder carrying Shaffer RD over US-10 in Midland County, Michigan. It was built in 1962, so it is 63 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 1,381 vehicles a day, roughly 3% of them trucks, projected to reach 9,999 by 1977. The structure is 302 ft (92 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesShaffer RD
CrossesUS-10
Location3.2 MI Ese of Isabell Col
RouteCounty Highway 5680
CountyMidland County
StateMichigan
Coordinates43.75673, -84.55025
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length302 ft (92 m)
Longest span102 ft (31.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,381 (1996)
Projected traffic9,999 by 1977
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Shaffer RD over US-10 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Shaffer 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 June 2023.

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

About 1,381 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Shaffer RD over US-10?

The structure is 302 ft (92 m) long with a longest span of 102 ft (31.2 m) and a deck 32 ft wide.

Who owns Shaffer RD over US-10?

It is owned by the State Highway Agency.