US Bridges

Hospital Road over Yreka Creek

PoorPosted for load

Siskiyou County, California · Behind County Hospital · Structure no. 02C0239

Built
1987
38 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
26 ft
1 main span
Daily traffic
200
2011 count
Owner
County
County Highway Agency

About this bridge

Hospital Road over Yreka Creek is a wood or timber stringer/multi-beam or girder carrying Hospital Road over Yreka Creek in Siskiyou County, California. It was built in 1987, so it is 38 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 275 by 2044. The structure is 26 ft (7.9 m) long and 17 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHospital Road
CrossesYreka Creek
LocationBehind County Hospital
RouteCity Street 0
Coordinates41.72468, -122.6377
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating24.3 US tons
Inventory rating16.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2011)
Projected traffic275 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$162,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hospital Road over Yreka Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Hospital Road over Yreka Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Hospital Road over Yreka Creek carry?

About 200 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Hospital Road over Yreka Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 17 ft wide.

Who owns Hospital Road over Yreka Creek?

It is owned by the County Highway Agency.