US Bridges

Main ST over Angels Creek

Fair

Calaveras County, California · At Jones ST in Murphys · Structure no. 30C0036

Built
1909
116 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
29 ft
1 main span
Daily traffic
2,064
2008 count
Owner
County
County Highway Agency

About this bridge

Main ST over Angels Creek is a concrete arch - deck carrying Main ST over Angels Creek in Calaveras County, California. It was built in 1909, so it is 116 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 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 2,064 vehicles a day, roughly 2% of them trucks, projected to reach 3,123 by 2044. The structure is 29 ft (8.8 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMain ST
CrossesAngels Creek
LocationAt Jones ST in Murphys
RouteCounty Highway 0
CountyCalaveras County
StateCalifornia
Coordinates38.13746, -120.46219
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span27 ft (8.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,064 (2008)
Projected traffic3,123 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Main ST over Angels Creek built?

It was built in 1909, making it 116 years old in 2025.

What condition is Main ST over Angels 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 March 2024.

How much traffic does Main ST over Angels Creek carry?

About 2,064 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Main ST over Angels Creek?

The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 32 ft wide.

Who owns Main ST over Angels Creek?

It is owned by the County Highway Agency.