Hannan RD over I-275
GoodWayne County, Michigan · In Romulus · Structure no. 000000000011943
- Built
- 1974
- 51 years old, rebuilt 2012
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 298 ft
- 2 main spans
- Daily traffic
- 3,000
- 1974 count
- Owner
- State
- State Highway Agency
About this bridge
Hannan RD over I-275 is a steel stringer/multi-beam or girder carrying Hannan RD over I-275 in Wayne County, Michigan. It was built in 1974 and reconstructed in 2012, so it is 51 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,000 by 1977. The structure is 298 ft (90.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Hannan RD over I-275 built?
It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2012.
What condition is Hannan RD over I-275 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Hannan RD over I-275 carry?
About 3,000 vehicles per day (1974 count), of which roughly 3% are trucks.
How long is Hannan RD over I-275?
The structure is 298 ft (90.8 m) long with a longest span of 148 ft (45 m) and a deck 49 ft wide.
Who owns Hannan RD over I-275?
It is owned by the State Highway Agency.