US Bridges

US 50 (I-305) EB over 9th Street

Fair

Sacramento County, California · 03-SAC-050-L0.89-SAC · Structure no. 24 0244R

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
123 ft
1 main span
Daily traffic
115,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 (I-305) EB over 9th Street is a prestressed concrete box beam or girders - multiple carrying US 50 (I-305) EB over 9th Street in Sacramento County, California. It was built in 1967, so it is 58 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 115,500 vehicles a day, roughly 3% of them trucks, projected to reach 132,010 by 2043. The structure is 123 ft (37.5 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 50 (I-305) EB
Crosses9th Street
Location03-SAC-050-L0.89-SAC
RouteInterstate 50
Coordinates38.56561, -121.50157
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating49.3 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span120 ft (36.6 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,500 (2020)
Projected traffic132,010 by 2043
Trucks3%
Lanes on structure6
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 9th Street built?

It was built in 1967, making it 58 years old in 2025.

What condition is US 50 (I-305) EB over 9th Street 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 October 2023.

How much traffic does US 50 (I-305) EB over 9th Street carry?

About 115,500 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is US 50 (I-305) EB over 9th Street?

The structure is 123 ft (37.5 m) long with a longest span of 120 ft (36.6 m) and a deck 90 ft wide.

Who owns US 50 (I-305) EB over 9th Street?

It is owned by the State Highway Agency.