US Bridges

Haze Road over Platte River

PoorPosted for load

Benzie County, Michigan · 3 MI East of Honor · Structure no. 000000000000770

Built
1973
52 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
380
2008 count
Owner
County
County Highway Agency

About this bridge

Haze Road over Platte River is a steel stringer/multi-beam or girder carrying Haze Road over Platte River in Benzie County, Michigan. It was built in 1973, so it is 52 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 3 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. Its operating status is: posted for load restriction.

It carries about 380 vehicles a day, roughly 1% of them trucks, projected to reach 510 by 2018. The structure is 32 ft (9.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHaze Road
CrossesPlatte River
Location3 MI East of Honor
RouteCounty Highway 0
Coordinates44.65634, -85.9581
Functional classRural Local

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span32 ft (9.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2008)
Projected traffic510 by 2018
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Haze Road over Platte River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Haze Road over Platte 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 Haze Road over Platte River carry?

About 380 vehicles per day (2008 count), of which roughly 1% are trucks.

How long is Haze Road over Platte River?

The structure is 32 ft (9.7 m) long with a longest span of 32 ft (9.7 m) and a deck 24 ft wide.

Who owns Haze Road over Platte River?

It is owned by the County Highway Agency.