Merriman Road over Lower Rouge River
PoorWayne County, Michigan · Wayne/Westlandn/Michigan · Structure no. 000000000012150
- Built
- 1929
- 96 years old
- Condition
- Poor
- inspected April 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 105 ft
- 3 main spans
- Daily traffic
- 26,614
- 1997 count
- Owner
- County
- County Highway Agency
About this bridge
Merriman Road over Lower Rouge River is a concrete continuous tee beam carrying Merriman Road over Lower Rouge River in Wayne County, Michigan. It was built in 1929, so it is 96 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 26,614 vehicles a day, roughly 3% of them trucks, projected to reach 26,000 by 2015. The structure is 105 ft (32 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Merriman Road over Lower Rouge River built?
It was built in 1929, making it 96 years old in 2025.
What condition is Merriman Road over Lower Rouge River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Merriman Road over Lower Rouge River carry?
About 26,614 vehicles per day (1997 count), of which roughly 3% are trucks.
How long is Merriman Road over Lower Rouge River?
The structure is 105 ft (32 m) long with a longest span of 53 ft (16.1 m) and a deck 59 ft wide.
Who owns Merriman Road over Lower Rouge River?
It is owned by the County Highway Agency.