US Bridges

48th ST over U.S. Highway 50

Good

Sacramento County, California · 03-SAC-050-R1.41-SAC · Structure no. 24 0314

Built
1971
54 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
252 ft
2 main spans
Daily traffic
3,500
2017 count
Owner
State
State Highway Agency

About this bridge

48th ST over U.S. Highway 50 is a prestressed concrete continuous box beam or girders - multiple carrying 48th ST over U.S. Highway 50 in Sacramento County, California. It was built in 1971, so it is 54 years old, younger 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 3,500 vehicles a day, roughly 8% of them trucks, projected to reach 5,563 by 2043. The structure is 252 ft (76.8 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries48th ST
CrossesU.S. Highway 50
Location03-SAC-050-R1.41-SAC
RouteCity Street 0
Coordinates38.55807, -121.44832
Functional classUrban Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span125 ft (38 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2017)
Projected traffic5,563 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 48th ST over U.S. Highway 50 built?

It was built in 1971, making it 54 years old in 2025.

What condition is 48th ST 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 November 2023.

How much traffic does 48th ST over U.S. Highway 50 carry?

About 3,500 vehicles per day (2017 count), of which roughly 8% are trucks.

How long is 48th ST over U.S. Highway 50?

The structure is 252 ft (76.8 m) long with a longest span of 125 ft (38 m) and a deck 52 ft wide.

Who owns 48th ST over U.S. Highway 50?

It is owned by the State Highway Agency.