US Bridges

Lurline RD over Lurline Creek

Good

Colusa County, California · 1.3 MI E of Danley RD · Structure no. 15C0111

Built
1930
95 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
1 main span
Daily traffic
23
2014 count
Owner
County
County Highway Agency

About this bridge

Lurline RD over Lurline Creek is a wood or timber stringer/multi-beam or girder carrying Lurline RD over Lurline Creek in Colusa County, California. It was built in 1930, so it is 95 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 23 vehicles a day, roughly 10% of them trucks, projected to reach 62 by 2042. The structure is 28 ft (8.6 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLurline RD
CrossesLurline Creek
Location1.3 MI E of Danley RD
RouteCounty Highway 0
Coordinates39.21868, -122.22113
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating35.1 US tons
Inventory rating25 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length28 ft (8.6 m)
Longest span27 ft (8.3 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23 (2014)
Projected traffic62 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Lurline RD over Lurline Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Lurline RD over Lurline Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Lurline RD over Lurline Creek carry?

About 23 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Lurline RD over Lurline Creek?

The structure is 28 ft (8.6 m) long with a longest span of 27 ft (8.3 m) and a deck 22 ft wide.

Who owns Lurline RD over Lurline Creek?

It is owned by the County Highway Agency.