US Bridges

Road 60 over North Fork Logan Creek

Fair

Glenn County, California · 0.4 MI W of I-5 · Structure no. 11C0225

Built
1930
95 years old
Condition
Fair
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
40
2013 count
Owner
County
County Highway Agency

About this bridge

Road 60 over North Fork Logan Creek is a concrete continuous tee beam carrying Road 60 over North Fork Logan Creek in Glenn 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 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 40 vehicles a day, projected to reach 59 by 2043. The structure is 50 ft (15.2 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad 60
CrossesNorth Fork Logan Creek
Location0.4 MI W of I-5
RouteCounty Highway 0
Coordinates39.46559, -122.21216
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2013)
Projected traffic59 by 2043
Trucks—
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 Road 60 over North Fork Logan Creek built?

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

What condition is Road 60 over North Fork Logan 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 January 2025.

How much traffic does Road 60 over North Fork Logan Creek carry?

About 40 vehicles per day (2013 count).

How long is Road 60 over North Fork Logan Creek?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns Road 60 over North Fork Logan Creek?

It is owned by the County Highway Agency.