US Bridges

Gruber Road over Sandy Creek

Good

Monroe County, Michigan · 1 MI N of Bluebush Road · Structure no. 000000000007394

Built
2001
24 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
670
2018 count
Owner
County
County Highway Agency

About this bridge

Gruber Road over Sandy Creek is a concrete culvert carrying Gruber Road over Sandy Creek in Monroe County, Michigan. It was built in 2001, so it is 24 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 670 vehicles a day, roughly 10% of them trucks, projected to reach 770 by 2038. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGruber Road
CrossesSandy Creek
Location1 MI N of Bluebush Road
RouteCounty Highway 0
CountyMonroe County
StateMichigan
Coordinates41.99135, -83.43828
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2018)
Projected traffic770 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gruber Road over Sandy Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Gruber Road over Sandy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Gruber Road over Sandy Creek carry?

About 670 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Gruber Road over Sandy Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m).

Who owns Gruber Road over Sandy Creek?

It is owned by the County Highway Agency.