US Bridges

Frith Road over Holland Drain

Good

St. Clair County, Michigan · Sec 5-8 ST Clair Twp · Structure no. 000000000010228

Built
2018
7 years old
Condition
Good
inspected July 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
26 ft
1 main span
Daily traffic
128
2017 count
Owner
County
County Highway Agency

About this bridge

Frith Road over Holland Drain is a aluminum, wrought iron, or cast iron culvert carrying Frith Road over Holland Drain in St. Clair County, Michigan. It was built in 2018, so it is 7 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 128 vehicles a day, roughly 12% of them trucks, projected to reach 191 by 2037. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFrith Road
CrossesHolland Drain
LocationSec 5-8 ST Clair Twp
RouteCounty Highway 0
Coordinates42.88804, -82.59814
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85 US tons
Inventory rating65.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length26 ft (7.8 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2017)
Projected traffic191 by 2037
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Frith Road over Holland Drain built?

It was built in 2018, making it 7 years old in 2025.

What condition is Frith Road over Holland 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 Frith Road over Holland Drain carry?

About 128 vehicles per day (2017 count), of which roughly 12% are trucks.

How long is Frith Road over Holland Drain?

The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m).

Who owns Frith Road over Holland Drain?

It is owned by the County Highway Agency.