US Bridges

Gyle RD over Ca Northern RR (cfnr)

Good

Tehama County, California · 3 MI E/O I-5 · Structure no. 08C0052

Built
1966
59 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
250 ft
3 main spans
Daily traffic
600
2006 count
Owner
County
County Highway Agency

About this bridge

Gyle RD over Ca Northern RR (cfnr) is a concrete continuous box beam or girders - multiple carrying Gyle RD over Ca Northern RR (cfnr) in Tehama County, California. It was built in 1966, so it is 59 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 896 by 2044. The structure is 250 ft (76.2 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGyle RD
CrossesCa Northern RR (cfnr)
Location3 MI E/O I-5
RouteCounty Highway 0
Coordinates40.01036, -122.14956
Functional classRural Major Collector

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.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating45 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length250 ft (76.2 m)
Longest span98 ft (30 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2006)
Projected traffic896 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 Gyle RD over Ca Northern RR (cfnr) built?

It was built in 1966, making it 59 years old in 2025.

What condition is Gyle RD over Ca Northern RR (cfnr) 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 February 2022.

How much traffic does Gyle RD over Ca Northern RR (cfnr) carry?

About 600 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Gyle RD over Ca Northern RR (cfnr)?

The structure is 250 ft (76.2 m) long with a longest span of 98 ft (30 m) and a deck 34 ft wide.

Who owns Gyle RD over Ca Northern RR (cfnr)?

It is owned by the County Highway Agency.