US Bridges

State Route 49 over Fiddle Creek

Fair

Sierra County, California · 03-SIE-049-4.58 · Structure no. 13 0011

Built
1958
67 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
600
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 49 over Fiddle Creek is a concrete continuous tee beam carrying State Route 49 over Fiddle Creek in Sierra County, California. It was built in 1958, so it is 67 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 600 vehicles a day, projected to reach 918 by 2046. The structure is 103 ft (31.3 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 49
CrossesFiddle Creek
Location03-SIE-049-4.58
RouteState Highway 49
Coordinates39.51929, -120.99786
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length103 ft (31.3 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic918 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 49 over Fiddle Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is State Route 49 over Fiddle 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 July 2024.

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

About 600 vehicles per day (2015 count).

How long is State Route 49 over Fiddle Creek?

The structure is 103 ft (31.3 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns State Route 49 over Fiddle Creek?

It is owned by the State Highway Agency.