US Bridges

Park Street over Boardman River

Fair

Grand Traverse County, Michigan · In Traverse City · Structure no. 000000000003073

Built
1956
69 years old, rebuilt 2021
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
3,824
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Street over Boardman River is a steel stringer/multi-beam or girder carrying Park Street over Boardman River in Grand Traverse County, Michigan. It was built in 1956 and reconstructed in 2021, so it is 69 years old, older 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 5 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 3,824 vehicles a day, roughly 8% of them trucks, projected to reach 7,327 by 2043. The structure is 60 ft (18.3 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPark Street
CrossesBoardman River
LocationIn Traverse City
RouteCity Street 2020
Coordinates44.76465, -85.6182
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length60 ft (18.3 m)
Longest span57 ft (17.5 m)
Deck width53 ft (16.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,824 (2020)
Projected traffic7,327 by 2043
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Park Street over Boardman River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2021.

What condition is Park Street over Boardman 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 October 2023.

How much traffic does Park Street over Boardman River carry?

About 3,824 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Park Street over Boardman River?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.5 m) and a deck 53 ft wide.

Who owns Park Street over Boardman River?

It is owned by the City or Municipal Highway Agency.