US Bridges

Girvan RD over Olney Creek

Fair

Shasta County, California · 0.6 MI E of SR 273 · Structure no. 06C0341

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
7,730
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Girvan RD over Olney Creek is a concrete continuous tee beam carrying Girvan RD over Olney Creek in Shasta County, California. It was built in 1960, so it is 65 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 7,730 vehicles a day, roughly 2% of them trucks, projected to reach 9,621 by 2041. The structure is 100 ft (30.5 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGirvan RD
CrossesOlney Creek
Location0.6 MI E of SR 273
RouteCity Street 0
Coordinates40.51316, -122.36921
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length100 ft (30.5 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,730 (2016)
Projected traffic9,621 by 2041
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Girvan RD over Olney Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Girvan RD over Olney 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 March 2024.

How much traffic does Girvan RD over Olney Creek carry?

About 7,730 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Girvan RD over Olney Creek?

The structure is 100 ft (30.5 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns Girvan RD over Olney Creek?

It is owned by the City or Municipal Highway Agency.