US Bridges

Requa Road over Salt Creek

Fair

Del Norte County, California · 0.4 MI West of RTE 101 · Structure no. 01C0012

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,110
2004 count
Owner
County
County Highway Agency

About this bridge

Requa Road over Salt Creek is a concrete continuous culvert carrying Requa Road over Salt Creek in Del Norte County, California. It was built in 1958, so it is 67 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 1,110 vehicles a day, roughly 2% of them trucks, projected to reach 1,372 by 2042. The structure is 23 ft (7 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRequa Road
CrossesSalt Creek
Location0.4 MI West of RTE 101
RouteCounty Highway 0
CountyDel Norte County
StateCalifornia
Coordinates41.55253, -124.06094
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,110 (2004)
Projected traffic1,372 by 2042
Trucks2%
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 Requa Road over Salt Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Requa Road over Salt 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 Requa Road over Salt Creek carry?

About 1,110 vehicles per day (2004 count), of which roughly 2% are trucks.

How long is Requa Road over Salt Creek?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns Requa Road over Salt Creek?

It is owned by the County Highway Agency.