Harper RD over US-127
FairIngham County, Michigan · 1.2 MI N of M-36 · Structure no. 000000000003722
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 221 ft
- 4 main spans
- Daily traffic
- 1,000
- 1997 count
- Owner
- State
- State Highway Agency
About this bridge
Harper RD over US-127 is a steel stringer/multi-beam or girder carrying Harper RD over US-127 in Ingham 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 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,150 by 2017. The structure is 221 ft (67.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Harper RD over US-127 built?
It was built in 1966, making it 59 years old in 2025.
What condition is Harper RD over US-127 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 June 2024.
How much traffic does Harper RD over US-127 carry?
About 1,000 vehicles per day (1997 count), of which roughly 1% are trucks.
How long is Harper RD over US-127?
The structure is 221 ft (67.4 m) long with a longest span of 78 ft (23.7 m) and a deck 34 ft wide.
Who owns Harper RD over US-127?
It is owned by the State Highway Agency.