US Bridges

Harbor Blvd over U.S. Highway 50

Good

Yolo County, California · 03-YOL-050-1.20-WSAC · Structure no. 22 0108

Built
1969
56 years old, rebuilt 2010
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
281 ft
2 main spans
Daily traffic
15,000
2015 count
Owner
State
State Highway Agency

About this bridge

Harbor Blvd over U.S. Highway 50 is a concrete continuous box beam or girders - single or spread carrying Harbor Blvd over U.S. Highway 50 in Yolo County, California. It was built in 1969 and reconstructed in 2010, so it is 56 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,000 vehicles a day, roughly 25% of them trucks, projected to reach 22,000 by 2040. The structure is 281 ft (85.5 m) long and 130 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesHarbor Blvd
CrossesU.S. Highway 50
Location03-YOL-050-1.20-WSAC
RouteCounty Highway 0
Coordinates38.5754, -121.54887
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length281 ft (85.5 m)
Longest span138 ft (42.1 m)
Deck width130 ft (39.6 m)
Roadway width114 ft (34.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2015)
Projected traffic22,000 by 2040
Trucks25%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Harbor Blvd over U.S. Highway 50 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2010.

What condition is Harbor Blvd over U.S. Highway 50 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Harbor Blvd over U.S. Highway 50 carry?

About 15,000 vehicles per day (2015 count), of which roughly 25% are trucks.

How long is Harbor Blvd over U.S. Highway 50?

The structure is 281 ft (85.5 m) long with a longest span of 138 ft (42.1 m) and a deck 130 ft wide.

Who owns Harbor Blvd over U.S. Highway 50?

It is owned by the State Highway Agency.