US Bridges

US 50 (I-305) EB over Jefferson Blvd (old 84)

Good

Yolo County, California · 03-YOL-050-2.48-WSAC · Structure no. 22 0106R

Built
1966
59 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
424 ft
3 main spans
Daily traffic
43,000
2015 count
Owner
State
State Highway Agency

About this bridge

US 50 (I-305) EB over Jefferson Blvd (old 84) is a steel stringer/multi-beam or girder carrying US 50 (I-305) EB over Jefferson Blvd (old 84) 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 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 43,000 vehicles a day, roughly 11% of them trucks, projected to reach 74,500 by 2040. The structure is 424 ft (129.2 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 50 (I-305) EB
CrossesJefferson Blvd (old 84)
Location03-YOL-050-2.48-WSAC
RouteInterstate 50
Coordinates38.57697, -121.52547
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20 + Mod
Structure length424 ft (129.2 m)
Longest span140 ft (42.7 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2015)
Projected traffic74,500 by 2040
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 50 (I-305) EB over Jefferson Blvd (old 84) built?

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

What condition is US 50 (I-305) EB over Jefferson Blvd (old 84) 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 US 50 (I-305) EB over Jefferson Blvd (old 84) carry?

About 43,000 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is US 50 (I-305) EB over Jefferson Blvd (old 84)?

The structure is 424 ft (129.2 m) long with a longest span of 140 ft (42.7 m) and a deck 53 ft wide.

Who owns US 50 (I-305) EB over Jefferson Blvd (old 84)?

It is owned by the State Highway Agency.