US Bridges

Mcgardle Road over New River

Fair

Huron County, Michigan · Sec. 6-7 Huron Twp. · Structure no. 000000000003617

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
30
2009 count
Owner
County
County Highway Agency

About this bridge

Mcgardle Road over New River is a prestressed concrete tee beam carrying Mcgardle Road over New River in Huron County, Michigan. It was built in 1984, so it is 41 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 30 vehicles a day, projected to reach 55 by 2029. The structure is 36 ft (11 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMcgardle Road
CrossesNew River
LocationSec. 6-7 Huron Twp.
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates44.01564, -82.87307
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.5 US tons
Inventory rating45.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2009)
Projected traffic55 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Mcgardle Road over New River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mcgardle Road over New River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does Mcgardle Road over New River carry?

About 30 vehicles per day (2009 count).

How long is Mcgardle Road over New River?

The structure is 36 ft (11 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Mcgardle Road over New River?

It is owned by the County Highway Agency.