US Bridges

Bridge Arbor RD over Robinson Creek

Fair

Lake County, California · 0.4 MI E of SR 29 · Structure no. 14C0019

Built
1925
100 years old, rebuilt 2010
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
65
2009 count
Owner
County
County Highway Agency

About this bridge

Bridge Arbor RD over Robinson Creek is a steel stringer/multi-beam or girder carrying Bridge Arbor RD over Robinson Creek in Lake County, California. It was built in 1925 and reconstructed in 2010, so it is 100 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 65 vehicles a day, projected to reach 109 by 2044. The structure is 22 ft (6.7 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBridge Arbor RD
CrossesRobinson Creek
Location0.4 MI E of SR 29
RouteCounty Highway 0
CountyLake County
StateCalifornia
Coordinates39.14216, -122.91121
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.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating108.9 US tons
Inventory rating65.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2009)
Projected traffic109 by 2044
Trucks—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bridge Arbor RD over Robinson Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 2010.

What condition is Bridge Arbor RD over Robinson 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 February 2024.

How much traffic does Bridge Arbor RD over Robinson Creek carry?

About 65 vehicles per day (2009 count).

How long is Bridge Arbor RD over Robinson Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 19 ft wide.

Who owns Bridge Arbor RD over Robinson Creek?

It is owned by the County Highway Agency.