US Bridges

State Route 49 over Angels Creek

Fair

Calaveras County, California · 10-CAL-049-7.16-ANG · Structure no. 30 0019

Built
1909
116 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Concrete
Length
50 ft
1 main span
Daily traffic
9,100
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 49 over Angels Creek is a concrete arch - deck carrying State Route 49 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 9,100 vehicles a day, roughly 7% of them trucks, projected to reach 6,689 by 2045. The structure is 50 ft (15.2 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesState Route 49
CrossesAngels Creek
Location10-CAL-049-7.16-ANG
RouteState Highway 49
Coordinates38.06797, -120.53885
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2009)
Projected traffic6,689 by 2045
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 49 over Angels Creek built?

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

What condition is State Route 49 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 May 2023.

How much traffic does State Route 49 over Angels Creek carry?

About 9,100 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is State Route 49 over Angels Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 32 ft wide.

Who owns State Route 49 over Angels Creek?

It is owned by the State Highway Agency.