US Bridges

Gable over Sulanharas Creek

Good

Shasta County, California · No Data Entered · Structure no. 051458000001069

Built
1989
36 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
60 ft
1 main span
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Gable over Sulanharas Creek is a wood or timber stringer/multi-beam or girder carrying Gable over Sulanharas Creek in Shasta County, California. It was built in 1989, so it is 36 years old, younger 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 60 ft (18.4 m) long and 19 ft wide.

CarriesGable
CrossesSulanharas Creek
LocationNo Data Entered
RouteFederal Lands Road 37N68
Coordinates41.04696, -122.04231
Functional classRural Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.4 m)
Longest span59 ft (17.9 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gable over Sulanharas Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Gable over Sulanharas Creek 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 June 2023.

How much traffic does Gable over Sulanharas Creek carry?

About 50 vehicles per day (latest count).

How long is Gable over Sulanharas Creek?

The structure is 60 ft (18.4 m) long with a longest span of 59 ft (17.9 m) and a deck 19 ft wide.

Who owns Gable over Sulanharas Creek?

It is owned by the U.S. Forest Service.