State Route 108 over Mid Fork Stanislaus Riv
FairTuolumne County, California · 10-TUO-108-53.26 · Structure no. 32 0065
- Built
- 1992
- 33 years old
- Condition
- Fair
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 114 ft
- 1 main span
- Daily traffic
- 900
- 1997 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 108 over Mid Fork Stanislaus Riv is a prestressed concrete stringer/multi-beam or girder carrying State Route 108 over Mid Fork Stanislaus Riv in Tuolumne County, California. It was built in 1992, so it is 33 years old, younger than the California average of 54.8 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 900 vehicles a day, roughly 2% of them trucks, projected to reach 1,073 by 2041. The structure is 114 ft (34.8 m) long and 39 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 108 over Mid Fork Stanislaus Riv built?
It was built in 1992, making it 33 years old in 2025.
What condition is State Route 108 over Mid Fork Stanislaus Riv 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 September 2023.
How much traffic does State Route 108 over Mid Fork Stanislaus Riv carry?
About 900 vehicles per day (1997 count), of which roughly 2% are trucks.
How long is State Route 108 over Mid Fork Stanislaus Riv?
The structure is 114 ft (34.8 m) long with a longest span of 107 ft (32.5 m) and a deck 39 ft wide.
Who owns State Route 108 over Mid Fork Stanislaus Riv?
It is owned by the State Highway Agency.