US Bridges

Bridge Creek Road over Haypress Creek

Good

Siskiyou County, California · Ukonom · Structure no. 050558000001051

Built
1967
58 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
96 ft
3 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

Bridge Creek Road over Haypress Creek is a concrete box beam or girders - single or spread carrying Bridge Creek Road over Haypress Creek in Siskiyou County, California. It was built in 1967, so it is 58 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 96 ft (29.3 m) long and 20 ft wide.

CarriesBridge Creek Road
CrossesHaypress Creek
LocationUkonom
RouteFederal Lands Road 13N04
Coordinates41.47464, -123.40089
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation*: *
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span61 ft (18.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 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 Bridge Creek Road over Haypress Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bridge Creek Road over Haypress 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 October 2023.

How much traffic does Bridge Creek Road over Haypress Creek carry?

About 50 vehicles per day (latest count).

How long is Bridge Creek Road over Haypress Creek?

The structure is 96 ft (29.3 m) long with a longest span of 61 ft (18.6 m) and a deck 20 ft wide.

Who owns Bridge Creek Road over Haypress Creek?

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