US Bridges

Farnsworth Road over Plum Creek Drain

Good

Lapeer County, Michigan · Sec. 21 Mayfield Twp. · Structure no. 000000000005446

Built
1976
49 years old
Condition
Good
inspected July 2023
Type
Culvert
Steel
Length
31 ft
2 main spans
Daily traffic
2,150
2019 count
Owner
County
County Highway Agency

About this bridge

Farnsworth Road over Plum Creek Drain is a steel culvert carrying Farnsworth Road over Plum Creek Drain in Lapeer County, Michigan. It was built in 1976, so it is 49 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,150 vehicles a day, projected to reach 2,623 by 2039. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFarnsworth Road
CrossesPlum Creek Drain
LocationSec. 21 Mayfield Twp.
RouteCounty Highway 0
Coordinates43.08897, -83.29766
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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.4 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2019)
Projected traffic2,623 by 2039
Trucks0%
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 Farnsworth Road over Plum Creek Drain built?

It was built in 1976, making it 49 years old in 2025.

What condition is Farnsworth Road over Plum 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 Farnsworth Road over Plum Creek Drain carry?

About 2,150 vehicles per day (2019 count).

How long is Farnsworth Road over Plum Creek Drain?

The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m).

Who owns Farnsworth Road over Plum Creek Drain?

It is owned by the County Highway Agency.