US Bridges

Road #60 over Branch Logan Creek

Fair

Glenn County, California · 1.3 MI E of 99W · Structure no. 11C0127

Built
1930
95 years old, rebuilt 1960
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,100
2015 count
Owner
County
County Highway Agency

About this bridge

Road #60 over Branch Logan Creek is a concrete continuous slab carrying Road #60 over Branch Logan Creek in Glenn County, California. It was built in 1930 and reconstructed in 1960, 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 1,100 vehicles a day, roughly 30% of them trucks, projected to reach 1,331 by 2047. The structure is 22 ft (6.7 m) long and 29 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRoad #60
CrossesBranch Logan Creek
Location1.3 MI E of 99W
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.46557, -122.16964
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic1,331 by 2047
Trucks30%
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 Road #60 over Branch Logan Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1960.

What condition is Road #60 over Branch 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 Branch Logan Creek carry?

About 1,100 vehicles per day (2015 count), of which roughly 30% are trucks.

How long is Road #60 over Branch Logan Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 29 ft wide.

Who owns Road #60 over Branch Logan Creek?

It is owned by the County Highway Agency.