US-23 SB M-14 EB over Mdot RR Corridor
PoorWashtenaw County, Michigan · 0.9 MI E of W JCT M-14 · Structure no. 000000000010907
- Built
- 1962
- 63 years old, rebuilt 1998
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 36,627
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-23 SB M-14 EB over Mdot RR Corridor is a steel stringer/multi-beam or girder carrying US-23 SB M-14 EB over Mdot RR Corridor in Washtenaw County, Michigan. It was built in 1962 and reconstructed in 1998, so it is 63 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 36,627 vehicles a day, roughly 11% of them trucks, projected to reach 41,388 by 2018. The structure is 159 ft (48.6 m) long and 68 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 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-23 SB M-14 EB over Mdot RR Corridor built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1998.
What condition is US-23 SB M-14 EB over Mdot RR Corridor 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 November 2024.
How much traffic does US-23 SB M-14 EB over Mdot RR Corridor carry?
About 36,627 vehicles per day (2007 count), of which roughly 11% are trucks.
How long is US-23 SB M-14 EB over Mdot RR Corridor?
The structure is 159 ft (48.6 m) long with a longest span of 53 ft (16.1 m) and a deck 68 ft wide.
Who owns US-23 SB M-14 EB over Mdot RR Corridor?
It is owned by the State Highway Agency.