US Bridges

Parkville Road over Bear Creek

Good

Shasta County, California · 2.4 MI N Ash CR RD · Structure no. 06C0362

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
365 ft
3 main spans
Daily traffic
130
2013 count
Owner
County
County Highway Agency

About this bridge

Parkville Road over Bear Creek is a prestressed concrete box beam or girders - multiple carrying Parkville Road over Bear Creek in Shasta County, California. It was built in 2003, so it is 22 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 3% of them trucks, projected to reach 408 by 2045. The structure is 365 ft (111.4 m) long and 26 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesParkville Road
CrossesBear Creek
Location2.4 MI N Ash CR RD
RouteCounty Highway 0
Coordinates40.44793, -122.19723
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length365 ft (111.4 m)
Longest span120 ft (36.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2013)
Projected traffic408 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Parkville Road over Bear Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Parkville Road over Bear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Parkville Road over Bear Creek carry?

About 130 vehicles per day (2013 count), of which roughly 3% are trucks.

How long is Parkville Road over Bear Creek?

The structure is 365 ft (111.4 m) long with a longest span of 120 ft (36.6 m) and a deck 26 ft wide.

Who owns Parkville Road over Bear Creek?

It is owned by the County Highway Agency.