M-14 & US-23 Br over Mdot RR Cor & Huron Rvr
FairWashtenaw County, Michigan · 1.4 MI S of US-23 · Structure no. 000000000010875
- Built
- 1956
- 69 years old, rebuilt 1978
- Condition
- Fair
- inspected October 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 916 ft
- 5 main spans
- Daily traffic
- 59,888
- 2013 count
- Owner
- State
- State Highway Agency
About this bridge
M-14 & US-23 Br over Mdot RR Cor & Huron Rvr is a steel girder and floorbeam system carrying M-14 & US-23 Br over Mdot RR Cor & Huron Rvr in Washtenaw County, Michigan. It was built in 1956 and reconstructed in 1978, so it is 69 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 59,888 vehicles a day, roughly 6% of them trucks, projected to reach 76,065 by 2034. The structure is 916 ft (279.3 m) long and 91 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was M-14 & US-23 Br over Mdot RR Cor & Huron Rvr built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1978.
What condition is M-14 & US-23 Br over Mdot RR Cor & Huron Rvr 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 October 2023.
How much traffic does M-14 & US-23 Br over Mdot RR Cor & Huron Rvr carry?
About 59,888 vehicles per day (2013 count), of which roughly 6% are trucks.
How long is M-14 & US-23 Br over Mdot RR Cor & Huron Rvr?
The structure is 916 ft (279.3 m) long with a longest span of 122 ft (37.2 m) and a deck 91 ft wide.
Who owns M-14 & US-23 Br over Mdot RR Cor & Huron Rvr?
It is owned by the State Highway Agency.