Milton Road over Rock Creek Tributary
PoorStanislaus County, California · 3.7 MI N/O SR 4 · Structure no. 38C0231
- Built
- 1918
- 107 years old, rebuilt 1990
- Condition
- Poor
- inspected September 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 143 ft
- 7 main spans
- Daily traffic
- 716
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Milton Road over Rock Creek Tributary is a concrete continuous tee beam carrying Milton Road over Rock Creek Tributary in Stanislaus County, California. It was built in 1918 and reconstructed in 1990, so it is 107 years old, older than the California average of 54.8 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 716 vehicles a day, roughly 25% of them trucks, projected to reach 943 by 2045. The structure is 143 ft (43.6 m) long and 33 ft wide. If it were closed, the detour would be 34.2 mi (55 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Milton Road over Rock Creek Tributary built?
It was built in 1918, making it 107 years old in 2025. It was reconstructed in 1990.
What condition is Milton Road over Rock Creek Tributary 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 September 2023.
How much traffic does Milton Road over Rock Creek Tributary carry?
About 716 vehicles per day (2017 count), of which roughly 25% are trucks.
How long is Milton Road over Rock Creek Tributary?
The structure is 143 ft (43.6 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.
Who owns Milton Road over Rock Creek Tributary?
It is owned by the County Highway Agency.