US Bridges

Ditch Creek Road over Interstate 5

Fair

Siskiyou County, California · 02-SIS-005-R62.92 · Structure no. 02 0172

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
247 ft
2 main spans
Daily traffic
100
2015 count
Owner
State
State Highway Agency

About this bridge

Ditch Creek Road over Interstate 5 is a concrete continuous box beam or girders - multiple carrying Ditch Creek Road over Interstate 5 in Siskiyou County, California. It was built in 1974, so it is 51 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 322 by 2042. The structure is 247 ft (75.3 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDitch Creek Road
CrossesInterstate 5
Location02-SIS-005-R62.92
RouteCounty Highway 0
Coordinates41.91957, -122.57482
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length247 ft (75.3 m)
Longest span127 ft (38.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2015)
Projected traffic322 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ditch Creek Road over Interstate 5 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Ditch Creek Road over Interstate 5 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 February 2024.

How much traffic does Ditch Creek Road over Interstate 5 carry?

About 100 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Ditch Creek Road over Interstate 5?

The structure is 247 ft (75.3 m) long with a longest span of 127 ft (38.7 m) and a deck 42 ft wide.

Who owns Ditch Creek Road over Interstate 5?

It is owned by the State Highway Agency.