North Marshall RD over Warren Brook Drain 20/31
PoorBranch County, Michigan · Girard Twp Sec 15-16 · Structure no. 000000000001137
- Built
- 1930
- 95 years old
- Condition
- Poor
- inspected October 2024
- Type
- Tee Beam
- Concrete
- Length
- 23 ft
- 1 main span
- Daily traffic
- 1,950
- 2004 count
- Owner
- County
- County Highway Agency
About this bridge
North Marshall RD over Warren Brook Drain 20/31 is a concrete tee beam carrying North Marshall RD over Warren Brook Drain 20/31 in Branch County, Michigan. It was built in 1930, so it is 95 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 1,950 vehicles a day, roughly 4% of them trucks, projected to reach 2,400 by 2024. The structure is 23 ft (7 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 North Marshall RD over Warren Brook Drain 20/31 built?
It was built in 1930, making it 95 years old in 2025.
What condition is North Marshall RD over Warren Brook Drain 20/31 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 October 2024.
How much traffic does North Marshall RD over Warren Brook Drain 20/31 carry?
About 1,950 vehicles per day (2004 count), of which roughly 4% are trucks.
How long is North Marshall RD over Warren Brook Drain 20/31?
The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 38 ft wide.
Who owns North Marshall RD over Warren Brook Drain 20/31?
It is owned by the County Highway Agency.