US Bridges

Lindy Road over Betsie River

Poor

Benzie County, Michigan · 0.5 MI W of Thompsonville · Structure no. 000000000013520

Built
1962
63 years old
Condition
Poor
inspected August 2024
Type
Culvert
Steel
Length
37 ft
2 main spans
Daily traffic
1,826
2018 count
Owner
County
County Highway Agency

About this bridge

Lindy Road over Betsie River is a steel culvert carrying Lindy Road over Betsie River in Benzie County, Michigan. It was built in 1962, so it is 63 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,826 vehicles a day, roughly 5% of them trucks, projected to reach 2,500 by 2038. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLindy Road
CrossesBetsie River
Location0.5 MI W of Thompsonville
RouteCounty Highway 602
CountyBenzie County
StateMichigan
Coordinates44.52047, -85.96147
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length37 ft (11.4 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,826 (2018)
Projected traffic2,500 by 2038
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Lindy Road over Betsie River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Lindy Road over Betsie River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Lindy Road over Betsie River carry?

About 1,826 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Lindy Road over Betsie River?

The structure is 37 ft (11.4 m) long with a longest span of 15 ft (4.7 m).

Who owns Lindy Road over Betsie River?

It is owned by the County Highway Agency.