US Bridges

Milton RD over S Gulch Creek

Fair

Calaveras County, California · 2.6 MI NW Rock Ck RD Mltn · Structure no. 30C0043

Built
1967
58 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
1,000
2015 count
Owner
County
County Highway Agency

About this bridge

Milton RD over S Gulch Creek is a concrete continuous culvert carrying Milton RD over S Gulch Creek in Calaveras County, California. It was built in 1967, so it is 58 years old, older 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 6 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 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,621 by 2043. The structure is 31 ft (9.6 m) long and 34 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesMilton RD
CrossesS Gulch Creek
Location2.6 MI NW Rock Ck RD Mltn
RouteCounty Highway 0
Coordinates38.06297, -120.87115
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2015)
Projected traffic1,621 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Milton RD over S Gulch Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Milton RD over S Gulch Creek 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 February 2025.

How much traffic does Milton RD over S Gulch Creek carry?

About 1,000 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Milton RD over S Gulch Creek?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m) and a deck 34 ft wide.

Who owns Milton RD over S Gulch Creek?

It is owned by the County Highway Agency.