M-14 WB over Maple RD
FairWashtenaw County, Michigan · In Ann Arbor · Structure no. 000000000010958
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 141 ft
- 3 main spans
- Daily traffic
- 19,982
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
M-14 WB over Maple RD is a prestressed concrete stringer/multi-beam or girder carrying M-14 WB over Maple RD in Washtenaw County, Michigan. It was built in 1966, so it is 59 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 19,982 vehicles a day, roughly 9% of them trucks, projected to reach 22,979 by 2034. The structure is 141 ft (43 m) long and 42 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-14 WB over Maple RD built?
It was built in 1966, making it 59 years old in 2025.
What condition is M-14 WB over Maple RD 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 September 2024.
How much traffic does M-14 WB over Maple RD carry?
About 19,982 vehicles per day (2014 count), of which roughly 9% are trucks.
How long is M-14 WB over Maple RD?
The structure is 141 ft (43 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.
Who owns M-14 WB over Maple RD?
It is owned by the State Highway Agency.