US Bridges

Adobe Road over Dibble Creek

Fair

Tehama County, California · 0.50 MI E of SR 36 · Structure no. 08C0132

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
130 ft
4 main spans
Daily traffic
555
2004 count
Owner
County
County Highway Agency

About this bridge

Adobe Road over Dibble Creek is a steel girder and floorbeam system carrying Adobe Road over Dibble Creek in Tehama County, California. It was built in 1961, so it is 64 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 555 vehicles a day, roughly 2% of them trucks, projected to reach 1,087 by 2046. The structure is 130 ft (39.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesAdobe Road
CrossesDibble Creek
Location0.50 MI E of SR 36
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.19437, -122.23178
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckClosed grating
Main spans4
Design loadUnknown
Structure length130 ft (39.6 m)
Longest span39 ft (12 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic555 (2004)
Projected traffic1,087 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Adobe Road over Dibble Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Adobe Road over Dibble 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 April 2024.

How much traffic does Adobe Road over Dibble Creek carry?

About 555 vehicles per day (2004 count), of which roughly 2% are trucks.

How long is Adobe Road over Dibble Creek?

The structure is 130 ft (39.6 m) long with a longest span of 39 ft (12 m) and a deck 29 ft wide.

Who owns Adobe Road over Dibble Creek?

It is owned by the County Highway Agency.