US Bridges

Ophir RD Ext over Kusel Slough

Fair

Butte County, California · At Lincoln Blvd · Structure no. 12C0409

Built
1988
37 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,743
2007 count
Owner
County
County Highway Agency

About this bridge

Ophir RD Ext over Kusel Slough is a concrete continuous culvert carrying Ophir RD Ext over Kusel Slough in Butte County, California. It was built in 1988, so it is 37 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 1,743 vehicles a day, roughly 9% of them trucks, projected to reach 1,817 by 2041. The structure is 21 ft (6.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesOphir RD Ext
CrossesKusel Slough
LocationAt Lincoln Blvd
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.46569, -121.54909
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width43 ft (13.1 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,743 (2007)
Projected traffic1,817 by 2041
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ophir RD Ext over Kusel Slough built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ophir RD Ext over Kusel Slough 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 May 2023.

How much traffic does Ophir RD Ext over Kusel Slough carry?

About 1,743 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is Ophir RD Ext over Kusel Slough?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 43 ft wide.

Who owns Ophir RD Ext over Kusel Slough?

It is owned by the County Highway Agency.