US Bridges

Power House RD over Busch Creek

Fair

Mendocino County, California · 0.3 MI N Gibson LN · Structure no. 10C0167

Built
1948
77 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
440
2011 count
Owner
County
County Highway Agency

About this bridge

Power House RD over Busch Creek is a concrete continuous tee beam carrying Power House RD over Busch Creek in Mendocino County, California. It was built in 1948, so it is 77 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 440 vehicles a day, roughly 2% of them trucks, projected to reach 436 by 2041. The structure is 63 ft (19.2 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPower House RD
CrossesBusch Creek
Location0.3 MI N Gibson LN
RouteCounty Highway 0
CountyMendocino County
StateCalifornia
Coordinates39.33983, -123.12227
Functional classRural Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length63 ft (19.2 m)
Longest span30 ft (9.1 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2011)
Projected traffic436 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Power House RD over Busch Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Power House RD over Busch 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 August 2023.

How much traffic does Power House RD over Busch Creek carry?

About 440 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Power House RD over Busch Creek?

The structure is 63 ft (19.2 m) long with a longest span of 30 ft (9.1 m) and a deck 22 ft wide.

Who owns Power House RD over Busch Creek?

It is owned by the County Highway Agency.