US Bridges

Davenport Creek RD over Davenport Creek

Fair

San Luis Obispo County, California · 0.7 MI S Buckley RD · Structure no. 49C0152

Built
1959
66 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
86 ft
4 main spans
Daily traffic
1,373
2010 count
Owner
County
County Highway Agency

About this bridge

Davenport Creek RD over Davenport Creek is a wood or timber stringer/multi-beam or girder carrying Davenport Creek RD over Davenport Creek in San Luis Obispo County, California. It was built in 1959, so it is 66 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 1,373 vehicles a day, roughly 3% of them trucks, projected to reach 1,892 by 2045. The structure is 86 ft (26.2 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesDavenport Creek RD
CrossesDavenport Creek
Location0.7 MI S Buckley RD
RouteCounty Highway 0
CountySan Luis Obispo County
StateCalifornia
Coordinates35.22155, -120.64779
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,373 (2010)
Projected traffic1,892 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Davenport Creek RD over Davenport Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Davenport Creek RD over Davenport 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 May 2023.

How much traffic does Davenport Creek RD over Davenport Creek carry?

About 1,373 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Davenport Creek RD over Davenport Creek?

The structure is 86 ft (26.2 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns Davenport Creek RD over Davenport Creek?

It is owned by the County Highway Agency.