Vernon RD over Porter Creek
PoorShiawassee County, Michigan · 3 MI NW of Juddville · Structure no. 000000000009840
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 135
- 1992 count
- Owner
- County
- County Highway Agency
About this bridge
Vernon RD over Porter Creek is a steel stringer/multi-beam or girder carrying Vernon RD over Porter Creek in Shiawassee County, Michigan. It was built in 1938, so it is 87 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 135 vehicles a day, roughly 5% of them trucks, projected to reach 235 by 2012. The structure is 35 ft (10.6 m) long and 26 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 | 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. |
| 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 Vernon RD over Porter Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is Vernon RD over Porter Creek 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 March 2024.
How much traffic does Vernon RD over Porter Creek carry?
About 135 vehicles per day (1992 count), of which roughly 5% are trucks.
How long is Vernon RD over Porter Creek?
The structure is 35 ft (10.6 m) long with a longest span of 32 ft (9.7 m) and a deck 26 ft wide.
Who owns Vernon RD over Porter Creek?
It is owned by the County Highway Agency.