US Bridges

State Route 16 over Cache Creek

Fair

Yolo County, California · 03-YOL-016-3.87 · Structure no. 22 0019

Built
1938
87 years old
Condition
Fair
inspected March 2023
Type
Girder and Floorbeam System
Concrete Continuous
Length
375 ft
8 main spans
Daily traffic
750
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 16 over Cache Creek is a concrete continuous girder and floorbeam system carrying State Route 16 over Cache Creek in Yolo County, California. It was built in 1938, so it is 87 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 750 vehicles a day, roughly 12% of them trucks, projected to reach 1,600 by 2040. The structure is 375 ft (114.3 m) long and 31 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

Location

Open in Google Maps
CarriesState Route 16
CrossesCache Creek
Location03-YOL-016-3.87
RouteState Highway 16
CountyYolo County
StateCalifornia
Coordinates38.91028, -122.27963
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating20.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 15
Structure length375 ft (114.3 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2015)
Projected traffic1,600 by 2040
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 16 over Cache Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is State Route 16 over Cache 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 2023.

How much traffic does State Route 16 over Cache Creek carry?

About 750 vehicles per day (2015 count), of which roughly 12% are trucks.

How long is State Route 16 over Cache Creek?

The structure is 375 ft (114.3 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns State Route 16 over Cache Creek?

It is owned by the State Highway Agency.