US Bridges

US 50 (I-305) Off over Westacre RD

Fair

Yolo County, California · 03-YOL-050-2.17-WSAC · Structure no. 22 0102S

Built
1966
59 years old
Condition
Fair
inspected May 2021
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
5,000
2010 count
Owner
State
State Highway Agency

About this bridge

US 50 (I-305) Off over Westacre RD is a concrete continuous slab carrying US 50 (I-305) Off over Westacre RD in Yolo County, California. It was built in 1966, so it is 59 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 5,000 vehicles a day, roughly 4% of them trucks, projected to reach 10,168 by 2040. The structure is 103 ft (31.4 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 50 (I-305) Off
CrossesWestacre RD
Location03-YOL-050-2.17-WSAC
RouteState Highway 50
Coordinates38.5757, -121.53082
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2010)
Projected traffic10,168 by 2040
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 US 50 (I-305) Off over Westacre RD built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 50 (I-305) Off over Westacre RD 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 May 2021.

How much traffic does US 50 (I-305) Off over Westacre RD carry?

About 5,000 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is US 50 (I-305) Off over Westacre RD?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 39 ft wide.

Who owns US 50 (I-305) Off over Westacre RD?

It is owned by the State Highway Agency.