US Bridges

Gibson Road over Lurline Creek

Fair

Colusa County, California · 0.3 MI S/O Lurline Road · Structure no. 15C0189

Built
2001
24 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
58 ft
2 main spans
Daily traffic
33
2014 count
Owner
County
County Highway Agency

About this bridge

Gibson Road over Lurline Creek is a concrete continuous slab carrying Gibson Road over Lurline Creek in Colusa County, California. It was built in 2001, so it is 24 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 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 33 vehicles a day, roughly 10% of them trucks, projected to reach 136 by 2043. The structure is 58 ft (17.8 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGibson Road
CrossesLurline Creek
Location0.3 MI S/O Lurline Road
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.21393, -122.19033
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length58 ft (17.8 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2014)
Projected traffic136 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Gibson Road over Lurline Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Gibson 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 Gibson Road over Lurline Creek carry?

About 33 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Gibson Road over Lurline Creek?

The structure is 58 ft (17.8 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Gibson Road over Lurline Creek?

It is owned by the County Highway Agency.