Union Street-South over Boardman River
FairGrand Traverse County, Michigan · In Traverse City · Structure no. 000000000003074
- Built
- 1931
- 94 years old, rebuilt 2023
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 75 ft
- 1 main span
- Daily traffic
- 6,545
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Union Street-South over Boardman River is a steel stringer/multi-beam or girder carrying Union Street-South over Boardman River in Grand Traverse County, Michigan. It was built in 1931 and reconstructed in 2023, so it is 94 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 6 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 6,545 vehicles a day, roughly 13% of them trucks, projected to reach 14,700 by 2042. The structure is 75 ft (22.9 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Union Street-South over Boardman River built?
It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2023.
What condition is Union Street-South 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 July 2023.
How much traffic does Union Street-South over Boardman River carry?
About 6,545 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is Union Street-South over Boardman River?
The structure is 75 ft (22.9 m) long with a longest span of 74 ft (22.5 m) and a deck 59 ft wide.
Who owns Union Street-South over Boardman River?
It is owned by the City or Municipal Highway Agency.