US Bridges

State Route 65 over Poso Creek

Fair

Kern County, California · 06-KER-065-8.29 · Structure no. 50 0500

Built
2003
22 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
7,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 65 over Poso Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 65 over Poso Creek in Kern 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 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 7,000 vehicles a day, roughly 15% of them trucks, projected to reach 13,297 by 2042. The structure is 217 ft (66 m) long and 44 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesState Route 65
CrossesPoso Creek
Location06-KER-065-8.29
RouteState Highway 65
CountyKern County
StateCalifornia
Coordinates35.55102, -119.0873
Functional classRural Principal Arterial - Other

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating35.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length217 ft (66 m)
Longest span108 ft (33 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2009)
Projected traffic13,297 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 65 over Poso Creek built?

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

What condition is State Route 65 over Poso 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 2024.

How much traffic does State Route 65 over Poso Creek carry?

About 7,000 vehicles per day (2009 count), of which roughly 15% are trucks.

How long is State Route 65 over Poso Creek?

The structure is 217 ft (66 m) long with a longest span of 108 ft (33 m) and a deck 44 ft wide.

Who owns State Route 65 over Poso Creek?

It is owned by the State Highway Agency.