US Bridges

Limekiln Road over Wolf Creek

Poor

Nevada County, California · 0.55 MI E of Duggans RD · Structure no. 17C0014

Built
1988
37 years old
Condition
Poor
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
180 ft
3 main spans
Daily traffic
2,281
2016 count
Owner
County
County Highway Agency

About this bridge

Limekiln Road over Wolf Creek is a concrete continuous box beam or girders - multiple carrying Limekiln Road over Wolf Creek in Nevada County, California. It was built in 1988, so it is 37 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,281 vehicles a day, roughly 2% of them trucks, projected to reach 5,186 by 2041. The structure is 180 ft (54.9 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLimekiln Road
CrossesWolf Creek
Location0.55 MI E of Duggans RD
RouteCounty Highway 0
Coordinates39.0929, -121.10884
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length180 ft (54.9 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,281 (2016)
Projected traffic5,186 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Limekiln Road over Wolf Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Limekiln Road over Wolf Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does Limekiln Road over Wolf Creek carry?

About 2,281 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Limekiln Road over Wolf Creek?

The structure is 180 ft (54.9 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns Limekiln Road over Wolf Creek?

It is owned by the County Highway Agency.