US Bridges

Pittville Road over Pit River

Fair

Shasta County, California · 1 MI N Dean Knoch RD · Structure no. 06C0135

Built
1949
76 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
277 ft
5 main spans
Daily traffic
750
2014 count
Owner
County
County Highway Agency

About this bridge

Pittville Road over Pit River is a steel continuous stringer/multi-beam or girder carrying Pittville Road over Pit River in Shasta County, California. It was built in 1949, so it is 76 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 750 vehicles a day, roughly 10% of them trucks, projected to reach 1,604 by 2041. The structure is 277 ft (84.4 m) long and 22 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesPittville Road
CrossesPit River
Location1 MI N Dean Knoch RD
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates41.04504, -121.33134
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
Deck7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length277 ft (84.4 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2014)
Projected traffic1,604 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Pittville Road over Pit River built?

It was built in 1949, making it 76 years old in 2025.

What condition is Pittville Road over Pit River 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 May 2023.

How much traffic does Pittville Road over Pit River carry?

About 750 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Pittville Road over Pit River?

The structure is 277 ft (84.4 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns Pittville Road over Pit River?

It is owned by the County Highway Agency.