US Bridges

Graham Road over Plum Creek

Good

St. Clair County, Michigan · Sec 19-20 Grant Twp · Structure no. 000000000010172

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
1 main span
Daily traffic
115
1994 count
Owner
County
County Highway Agency

About this bridge

Graham Road over Plum Creek is a aluminum, wrought iron, or cast iron culvert carrying Graham Road over Plum Creek in St. Clair County, Michigan. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 115 vehicles a day, projected to reach 200 by 2014. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGraham Road
CrossesPlum Creek
LocationSec 19-20 Grant Twp
RouteCounty Highway 0
CountySt. Clair County
StateMichigan
Coordinates43.11639, -82.62032
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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.7 US tons
Inventory rating62.2 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length29 ft (8.9 m)
Longest span29 ft (8.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (1994)
Projected traffic200 by 2014
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Graham Road over Plum Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Graham Road over Plum 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 November 2023.

How much traffic does Graham Road over Plum Creek carry?

About 115 vehicles per day (1994 count).

How long is Graham Road over Plum Creek?

The structure is 29 ft (8.9 m) long with a longest span of 29 ft (8.9 m).

Who owns Graham Road over Plum Creek?

It is owned by the County Highway Agency.