US Bridges

Grant RD over US-10

Fair

Clare County, Michigan · 5 MI N of Clare · Structure no. 000000000001697

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
490 ft
7 main spans
Daily traffic
300
1996 count
Owner
State
State Highway Agency

About this bridge

Grant RD over US-10 is a steel stringer/multi-beam or girder carrying Grant RD over US-10 in Clare County, Michigan. It was built in 1973, so it is 52 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 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 300 vehicles a day, roughly 3% of them trucks, projected to reach 500 by 2010. The structure is 490 ft (149.3 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGrant RD
CrossesUS-10
Location5 MI N of Clare
RouteCounty Highway 0
Coordinates43.88146, -84.7881
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.3 US tons
Inventory rating46.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length490 ft (149.3 m)
Longest span95 ft (28.9 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1996)
Projected traffic500 by 2010
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 proposedDeck replacement with only incidental widening
Estimated improvement cost$138,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grant RD over US-10 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Grant 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 October 2024.

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

About 300 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Grant RD over US-10?

The structure is 490 ft (149.3 m) long with a longest span of 95 ft (28.9 m) and a deck 38 ft wide.

Who owns Grant RD over US-10?

It is owned by the State Highway Agency.