US Bridges

Lurline Ave over Interstate Route 5

Fair

Colusa County, California · 03-COL-005-R22.74 · Structure no. 15 0075

Built
1971
54 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
184 ft
2 main spans
Daily traffic
100
2013 count
Owner
State
State Highway Agency

About this bridge

Lurline Ave over Interstate Route 5 is a concrete continuous box beam or girders - multiple carrying Lurline Ave over Interstate Route 5 in Colusa County, California. It was built in 1971, so it is 54 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 123 by 2043. The structure is 184 ft (56.1 m) long and 34 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesLurline Ave
CrossesInterstate Route 5
Location03-COL-005-R22.74
RouteCounty Highway 0
CountyColusa County
StateCalifornia
Coordinates39.21847, -122.18154
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span91 ft (27.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2013)
Projected traffic123 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Lurline Ave over Interstate Route 5 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Lurline Ave over Interstate Route 5 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 January 2025.

How much traffic does Lurline Ave over Interstate Route 5 carry?

About 100 vehicles per day (2013 count), of which roughly 15% are trucks.

How long is Lurline Ave over Interstate Route 5?

The structure is 184 ft (56.1 m) long with a longest span of 91 ft (27.7 m) and a deck 34 ft wide.

Who owns Lurline Ave over Interstate Route 5?

It is owned by the State Highway Agency.