US Bridges

Eller Lane over Patterson Creek

Fair

Siskiyou County, California · 0.2 MI W Island RD · Structure no. 02C0176

Built
1971
54 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
196 ft
7 main spans
Daily traffic
71
2011 count
Owner
County
County Highway Agency

About this bridge

Eller Lane over Patterson Creek is a concrete continuous slab carrying Eller Lane over Patterson Creek in Siskiyou County, California. It was built in 1971, so it is 54 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 71 vehicles a day, roughly 6% of them trucks, projected to reach 162 by 2042. The structure is 196 ft (59.7 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesEller Lane
CrossesPatterson Creek
Location0.2 MI W Island RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.51869, -122.86264
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2011)
Projected traffic162 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Eller Lane over Patterson Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Eller Lane over Patterson 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 June 2024.

How much traffic does Eller Lane over Patterson Creek carry?

About 71 vehicles per day (2011 count), of which roughly 6% are trucks.

How long is Eller Lane over Patterson Creek?

The structure is 196 ft (59.7 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns Eller Lane over Patterson Creek?

It is owned by the County Highway Agency.