US Bridges

Interstate 5 over Smith Creek

Fair

Yolo County, California · 03-YOL-005-R16.74 · Structure no. 22 0009R

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
11,750
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over Smith Creek is a concrete continuous slab carrying Interstate 5 over Smith Creek in Yolo County, California. It was built in 1970, so it is 55 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 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 11,750 vehicles a day, projected to reach 27,892 by 2042. The structure is 82 ft (25 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesSmith Creek
Location03-YOL-005-R16.74
RouteInterstate 5
Coordinates38.78532, -121.86809
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
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating72.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,750 (2014)
Projected traffic27,892 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Interstate 5 over Smith Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Interstate 5 over Smith 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 March 2024.

How much traffic does Interstate 5 over Smith Creek carry?

About 11,750 vehicles per day (2014 count).

How long is Interstate 5 over Smith Creek?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 41 ft wide.

Who owns Interstate 5 over Smith Creek?

It is owned by the State Highway Agency.