US Bridges

Tower Br GTWY-W50 over Jefferson Blvd (old 84)

Fair

Yolo County, California · 03-YOL-050-2.47-WSAC · Structure no. 22 0103K

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
79 ft
2 main spans
Daily traffic
5,000
2015 count
Owner
State
State Highway Agency

About this bridge

Tower Br GTWY-W50 over Jefferson Blvd (old 84) is a concrete continuous slab carrying Tower Br GTWY-W50 over Jefferson Blvd (old 84) in Yolo County, California. It was built in 1951, so it is 74 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 5,000 vehicles a day, roughly 4% of them trucks, projected to reach 10,000 by 2040. The structure is 79 ft (24.1 m) long and 34 ft wide.

CarriesTower Br GTWY-W50
CrossesJefferson Blvd (old 84)
Location03-YOL-050-2.47-WSAC
RouteState Highway 50
Coordinates38.57779, -121.52552
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2015)
Projected traffic10,000 by 2040
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Tower Br GTWY-W50 over Jefferson Blvd (old 84) built?

It was built in 1951, making it 74 years old in 2025.

What condition is Tower Br GTWY-W50 over Jefferson Blvd (old 84) 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 2023.

How much traffic does Tower Br GTWY-W50 over Jefferson Blvd (old 84) carry?

About 5,000 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is Tower Br GTWY-W50 over Jefferson Blvd (old 84)?

The structure is 79 ft (24.1 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns Tower Br GTWY-W50 over Jefferson Blvd (old 84)?

It is owned by the State Highway Agency.