US Bridges

Bear Mountain Road over Deep Hole Creek

Fair

Shasta County, California · 100 Ft S/O Bernard Way · Structure no. 06C0263

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
65 ft
1 main span
Daily traffic
2,632
2013 count
Owner
County
County Highway Agency

About this bridge

Bear Mountain Road over Deep Hole Creek is a steel girder and floorbeam system carrying Bear Mountain Road over Deep Hole Creek in Shasta County, California. It was built in 1940, so it is 85 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 2,632 vehicles a day, roughly 5% of them trucks, projected to reach 5,000 by 2042. The structure is 65 ft (19.7 m) long and 26 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesBear Mountain Road
CrossesDeep Hole Creek
Location100 Ft S/O Bernard Way
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.67692, -122.30295
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating35.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length65 ft (19.7 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,632 (2013)
Projected traffic5,000 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Bear Mountain Road over Deep Hole Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Bear Mountain Road over Deep Hole 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 September 2023.

How much traffic does Bear Mountain Road over Deep Hole Creek carry?

About 2,632 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Bear Mountain Road over Deep Hole Creek?

The structure is 65 ft (19.7 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns Bear Mountain Road over Deep Hole Creek?

It is owned by the County Highway Agency.