US Bridges

State Route 16 over Rumsey Canyon

Fair

Yolo County, California · 03-YOL-016-6.36 · Structure no. 22 0109

Built
1955
70 years old, rebuilt 1981
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
1,100
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 16 over Rumsey Canyon is a concrete slab carrying State Route 16 over Rumsey Canyon in Yolo County, California. It was built in 1955 and reconstructed in 1981, so it is 70 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 1,100 vehicles a day, roughly 7% of them trucks, projected to reach 1,250 by 2040. The structure is 25 ft (7.6 m) long and 35 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesState Route 16
CrossesRumsey Canyon
Location03-YOL-016-6.36
RouteState Highway 16
Coordinates38.89528, -122.24888
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating38.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2015)
Projected traffic1,250 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 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 Rumsey Canyon built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1981.

What condition is State Route 16 over Rumsey Canyon 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 Rumsey Canyon carry?

About 1,100 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is State Route 16 over Rumsey Canyon?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns State Route 16 over Rumsey Canyon?

It is owned by the State Highway Agency.