US Bridges

Bentley Road over Little Betsie River

Good

Benzie County, Michigan · 1.5 MI E of CR-669 · Structure no. 000000000013523

Built
2004
21 years old
Condition
Good
inspected August 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
20 ft
1 main span
Daily traffic
55
2009 count
Owner
County
County Highway Agency

About this bridge

Bentley Road over Little Betsie River is a aluminum, wrought iron, or cast iron culvert carrying Bentley Road over Little Betsie River in Benzie County, Michigan. It was built in 2004, so it is 21 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 55 vehicles a day, projected to reach 75 by 2026. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBentley Road
CrossesLittle Betsie River
Location1.5 MI E of CR-669
RouteCounty Highway 0
Coordinates44.53475, -85.91003
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2009)
Projected traffic75 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Bentley Road over Little Betsie River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Bentley Road over Little Betsie 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 August 2023.

How much traffic does Bentley Road over Little Betsie River carry?

About 55 vehicles per day (2009 count).

How long is Bentley Road over Little Betsie River?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m).

Who owns Bentley Road over Little Betsie River?

It is owned by the County Highway Agency.