US Bridges

Bitney Springs RD over Deer Creek

Fair

Nevada County, California · 4.3 MI Ne/O Grass Valley · Structure no. 17C0085

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
150 ft
2 main spans
Daily traffic
2,214
2011 count
Owner
County
County Highway Agency

About this bridge

Bitney Springs RD over Deer Creek is a concrete continuous box beam or girders - multiple carrying Bitney Springs RD over Deer Creek in Nevada County, California. It was built in 1981, so it is 44 years old, younger 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 2,214 vehicles a day, roughly 2% of them trucks, projected to reach 3,112 by 2041. The structure is 150 ft (45.7 m) long and 32 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

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CarriesBitney Springs RD
CrossesDeer Creek
Location4.3 MI Ne/O Grass Valley
RouteCounty Highway 0
CountyNevada County
StateCalifornia
Coordinates39.24661, -121.11149
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating76.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span74 ft (22.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,214 (2011)
Projected traffic3,112 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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 Bitney Springs RD over Deer Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Bitney Springs RD over Deer 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 2023.

How much traffic does Bitney Springs RD over Deer Creek carry?

About 2,214 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Bitney Springs RD over Deer Creek?

The structure is 150 ft (45.7 m) long with a longest span of 74 ft (22.5 m) and a deck 32 ft wide.

Who owns Bitney Springs RD over Deer Creek?

It is owned by the County Highway Agency.