US Bridges

San Jose Road over Lurline Creek

Fair

Colusa County, California · 0.5 MI N Lurline RD · Structure no. 15C0093

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
46
2014 count
Owner
County
County Highway Agency

About this bridge

San Jose Road over Lurline Creek is a prestressed concrete tee beam carrying San Jose Road over Lurline Creek in Colusa County, California. It was built in 1972, so it is 53 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 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 46 vehicles a day, roughly 10% of them trucks, projected to reach 111 by 2045. The structure is 51 ft (15.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSan Jose Road
CrossesLurline Creek
Location0.5 MI N Lurline RD
RouteCounty Highway 0
Coordinates39.22494, -122.11602
Functional classRural Local

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 above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span48 ft (14.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2014)
Projected traffic111 by 2045
Trucks10%
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 San Jose Road over Lurline Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is San Jose Road over Lurline 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 San Jose Road over Lurline Creek carry?

About 46 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is San Jose Road over Lurline Creek?

The structure is 51 ft (15.4 m) long with a longest span of 48 ft (14.6 m) and a deck 24 ft wide.

Who owns San Jose Road over Lurline Creek?

It is owned by the County Highway Agency.