US Bridges

Sugar Creek Road over Miners Creek

Fair

Siskiyou County, California · 0.2 MI S Miner Creek RD · Structure no. 02C0185

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
27 ft
1 main span
Daily traffic
41
2011 count
Owner
County
County Highway Agency

About this bridge

Sugar Creek Road over Miners Creek is a wood or timber stringer/multi-beam or girder carrying Sugar Creek Road over Miners Creek in Siskiyou County, California. It was built in 1976, so it is 49 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 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 41 vehicles a day, roughly 40% of them trucks, projected to reach 55 by 2041. The structure is 27 ft (8.2 m) long and 18 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesSugar Creek Road
CrossesMiners Creek
Location0.2 MI S Miner Creek RD
RouteCounty Highway 0
CountySiskiyou County
StateCalifornia
Coordinates41.36675, -122.87191
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.5 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2011)
Projected traffic55 by 2041
Trucks40%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Sugar Creek Road over Miners Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Sugar Creek Road over Miners 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 July 2023.

How much traffic does Sugar Creek Road over Miners Creek carry?

About 41 vehicles per day (2011 count), of which roughly 40% are trucks.

How long is Sugar Creek Road over Miners Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.5 m) and a deck 18 ft wide.

Who owns Sugar Creek Road over Miners Creek?

It is owned by the County Highway Agency.