US Bridges

Requa Road over Hunter Creek

Fair

Del Norte County, California · 0.1 MI West of RT101 · Structure no. 01C0011

Built
1949
76 years old, rebuilt 1958
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
136 ft
1 main span
Daily traffic
1,110
2004 count
Owner
County
County Highway Agency

About this bridge

Requa Road over Hunter Creek is a concrete box beam or girders - multiple carrying Requa Road over Hunter Creek in Del Norte County, California. It was built in 1949 and reconstructed in 1958, so it is 76 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 1,110 vehicles a day, roughly 2% of them trucks, projected to reach 1,372 by 2042. The structure is 136 ft (41.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRequa Road
CrossesHunter Creek
Location0.1 MI West of RT101
RouteCounty Highway 0
CountyDel Norte County
StateCalifornia
Coordinates41.5534, -124.05757
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
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating16.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length136 ft (41.6 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 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 Hunter Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1958.

What condition is Requa Road over Hunter 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 Hunter Creek carry?

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

How long is Requa Road over Hunter Creek?

The structure is 136 ft (41.6 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns Requa Road over Hunter Creek?

It is owned by the County Highway Agency.