US Bridges

Graves Road over Squaw Creek Drain

Good

Lapeer County, Michigan · Sec 10 Rich Twp · Structure no. 000000000005477

Built
2002
23 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
50
2019 count
Owner
County
County Highway Agency

About this bridge

Graves Road over Squaw Creek Drain is a prestressed concrete box beam or girders - multiple carrying Graves Road over Squaw Creek Drain in Lapeer County, Michigan. It was built in 2002, so it is 23 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 61 by 2039. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGraves Road
CrossesSquaw Creek Drain
LocationSec 10 Rich Twp
RouteCounty Highway 0
Coordinates43.30095, -83.28713
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic61 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Graves Road over Squaw Creek Drain built?

It was built in 2002, making it 23 years old in 2025.

What condition is Graves Road over Squaw Creek Drain 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 July 2023.

How much traffic does Graves Road over Squaw Creek Drain carry?

About 50 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Graves Road over Squaw Creek Drain?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13 m) and a deck 31 ft wide.

Who owns Graves Road over Squaw Creek Drain?

It is owned by the County Highway Agency.