US Bridges

Interstate 5 NB over Salt Creek DR

Fair

Colusa County, California · 03-COL-005-R7.70 · Structure no. 15 0062R

Built
1967
58 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
90 ft
1 main span
Daily traffic
15,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 NB over Salt Creek DR is a concrete box beam or girders - multiple carrying Interstate 5 NB over Salt Creek DR in Colusa 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 fair condition with a lowest component rating of 6 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 15,000 vehicles a day, roughly 29% of them trucks, projected to reach 24,836 by 2044. The structure is 90 ft (27.4 m) long and 41 ft wide.

CarriesInterstate 5 NB
CrossesSalt Creek DR
Location03-COL-005-R7.70
RouteInterstate 5
Coordinates39.02419, -122.06243
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span88 ft (26.8 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2017)
Projected traffic24,836 by 2044
Trucks29%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 5 NB over Salt Creek DR built?

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

What condition is Interstate 5 NB over Salt Creek DR 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 January 2024.

How much traffic does Interstate 5 NB over Salt Creek DR carry?

About 15,000 vehicles per day (2017 count), of which roughly 29% are trucks.

How long is Interstate 5 NB over Salt Creek DR?

The structure is 90 ft (27.4 m) long with a longest span of 88 ft (26.8 m) and a deck 41 ft wide.

Who owns Interstate 5 NB over Salt Creek DR?

It is owned by the State Highway Agency.