US Bridges

Parkhill RD over Pozo Creek

Fair

San Luis Obispo County, California · 0.15 MI N Pozo RD · Structure no. 49C0194

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
170
2018 count
Owner
County
County Highway Agency

About this bridge

Parkhill RD over Pozo Creek is a steel stringer/multi-beam or girder carrying Parkhill RD over Pozo Creek in San Luis Obispo County, California. It was built in 1956, so it is 69 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 170 vehicles a day, roughly 3% of them trucks, projected to reach 642 by 2044. The structure is 43 ft (13.1 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesParkhill RD
CrossesPozo Creek
Location0.15 MI N Pozo RD
RouteCounty Highway 0
Coordinates35.31247, -120.35758
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating48.6 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span39 ft (11.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic642 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Parkhill RD over Pozo Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Parkhill RD over Pozo 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 August 2024.

How much traffic does Parkhill RD over Pozo Creek carry?

About 170 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Parkhill RD over Pozo Creek?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.8 m) and a deck 26 ft wide.

Who owns Parkhill RD over Pozo Creek?

It is owned by the County Highway Agency.