US Bridges

Wolf Creek Road over Wolf Creek

Poor

Lake County, California · In Spring Valley Lake Dev · Structure no. 14C0049

Built
1967
58 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
2 main spans
Daily traffic
26
2016 count
Owner
County
County Highway Agency

About this bridge

Wolf Creek Road over Wolf Creek is a steel stringer/multi-beam or girder carrying Wolf Creek Road over Wolf Creek in Lake County, California. It was built in 1967, so it is 58 years old, older 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 26 vehicles a day, roughly 1% of them trucks, projected to reach 49 by 2043. The structure is 84 ft (25.6 m) long and 12 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWolf Creek Road
CrossesWolf Creek
LocationIn Spring Valley Lake Dev
RouteCounty Highway 0
Coordinates39.08231, -122.60441
Functional classRural Local

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating18.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 15
Structure length84 ft (25.6 m)
Longest span41 ft (12.5 m)
Deck width12 ft (3.6 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2016)
Projected traffic49 by 2043
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$355,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wolf Creek Road over Wolf Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Wolf Creek 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 November 2023.

How much traffic does Wolf Creek Road over Wolf Creek carry?

About 26 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Wolf Creek Road over Wolf Creek?

The structure is 84 ft (25.6 m) long with a longest span of 41 ft (12.5 m) and a deck 12 ft wide.

Who owns Wolf Creek Road over Wolf Creek?

It is owned by the County Highway Agency.