US Bridges

Central House RD over Drainage Ditch

Fair

Butte County, California · 0.5 MI W of Palermo-Honc · Structure no. 12C0362

Built
1920
105 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
60 ft
4 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Central House RD over Drainage Ditch is a concrete continuous tee beam carrying Central House RD over Drainage Ditch in Butte County, California. It was built in 1920, so it is 105 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 209 by 2041. The structure is 60 ft (18.3 m) long and 22 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCentral House RD
CrossesDrainage Ditch
Location0.5 MI W of Palermo-Honc
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.34354, -121.54764
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 protection8 Very GoodNo problems noted.
Last inspectionJuly 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 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 rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span15 ft (4.6 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic209 by 2041
Trucks3%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central House RD over Drainage Ditch built?

It was built in 1920, making it 105 years old in 2025.

What condition is Central House RD over Drainage Ditch 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 2023.

How much traffic does Central House RD over Drainage Ditch carry?

About 100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Central House RD over Drainage Ditch?

The structure is 60 ft (18.3 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.

Who owns Central House RD over Drainage Ditch?

It is owned by the County Highway Agency.