US Bridges

Buzzard Roost RD over Little Cow Creek

Fair

Shasta County, California · 1 MI E of Oak Run RD · Structure no. 06C0002

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
247
2015 count
Owner
County
County Highway Agency

About this bridge

Buzzard Roost RD over Little Cow Creek is a prestressed concrete box beam or girders - multiple carrying Buzzard Roost RD over Little Cow Creek in Shasta County, California. It was built in 1988, so it is 37 years old, younger 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 247 vehicles a day, roughly 5% of them trucks, projected to reach 749 by 2041. The structure is 124 ft (37.9 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesBuzzard Roost RD
CrossesLittle Cow Creek
Location1 MI E of Oak Run RD
RouteCounty Highway 0
Coordinates40.74271, -121.99332
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length124 ft (37.9 m)
Longest span120 ft (36.6 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic247 (2015)
Projected traffic749 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Buzzard Roost RD over Little Cow Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Buzzard Roost RD over Little Cow 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 2023.

How much traffic does Buzzard Roost RD over Little Cow Creek carry?

About 247 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Buzzard Roost RD over Little Cow Creek?

The structure is 124 ft (37.9 m) long with a longest span of 120 ft (36.6 m) and a deck 25 ft wide.

Who owns Buzzard Roost RD over Little Cow Creek?

It is owned by the County Highway Agency.