US Bridges

Second Avenue over Indian Creek

Fair

Siskiyou County, California · At Indian Creek RD · Structure no. 02C0147

Built
1966
59 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
203 ft
3 main spans
Daily traffic
1,936
2011 count
Owner
County
County Highway Agency

About this bridge

Second Avenue over Indian Creek is a steel continuous box beam or girders - multiple carrying Second Avenue over Indian Creek in Siskiyou County, California. It was built in 1966, so it is 59 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 6 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 1,936 vehicles a day, roughly 2% of them trucks, projected to reach 2,599 by 2041. The structure is 203 ft (61.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSecond Avenue
CrossesIndian Creek
LocationAt Indian Creek RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.79247, -123.37952
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span77 ft (23.5 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,936 (2011)
Projected traffic2,599 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Second Avenue over Indian Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Second Avenue over Indian 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 July 2023.

How much traffic does Second Avenue over Indian Creek carry?

About 1,936 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Second Avenue over Indian Creek?

The structure is 203 ft (61.9 m) long with a longest span of 77 ft (23.5 m) and a deck 36 ft wide.

Who owns Second Avenue over Indian Creek?

It is owned by the County Highway Agency.