US Bridges

Turtle Road over East Branch Augres River

Good

Iosco County, Michigan · 600 Ft W of E Sec Line · Structure no. 000000000004156

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
50
2007 count
Owner
County
County Highway Agency

About this bridge

Turtle Road over East Branch Augres River is a prestressed concrete box beam or girders - multiple carrying Turtle Road over East Branch Augres River in Iosco County, Michigan. It was built in 2008, so it is 17 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 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2027. The structure is 72 ft (21.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTurtle Road
CrossesEast Branch Augres River
Location600 Ft W of E Sec Line
RouteCounty Highway 0
Coordinates44.19157, -83.66513
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.4 US tons
Inventory rating62.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length72 ft (21.9 m)
Longest span70 ft (21.2 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2007)
Projected traffic150 by 2027
Trucks5%
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 Turtle Road over East Branch Augres River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Turtle Road over East Branch Augres River 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 June 2024.

How much traffic does Turtle Road over East Branch Augres River carry?

About 50 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is Turtle Road over East Branch Augres River?

The structure is 72 ft (21.9 m) long with a longest span of 70 ft (21.2 m) and a deck 31 ft wide.

Who owns Turtle Road over East Branch Augres River?

It is owned by the County Highway Agency.