US Bridges

59th ST over U.S. Highway 50

Fair

Sacramento County, California · 03-SAC-050-R2.13-SAC · Structure no. 24 0317

Built
1971
54 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
252 ft
2 main spans
Daily traffic
14,000
2017 count
Owner
State
State Highway Agency

About this bridge

59th ST over U.S. Highway 50 is a prestressed concrete continuous box beam or girders - multiple carrying 59th 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 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 14,000 vehicles a day, roughly 10% of them trucks, projected to reach 16,356 by 2041. The structure is 252 ft (76.8 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries59th ST
CrossesU.S. Highway 50
Location03-SAC-050-R2.13-SAC
RouteCity Street 0
CountySacramento County
StateCalifornia
Coordinates38.5536, -121.43675
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating57.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span125 ft (38 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2017)
Projected traffic16,356 by 2041
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 59th ST over U.S. Highway 50 built?

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

What condition is 59th ST over U.S. Highway 50 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 November 2023.

How much traffic does 59th ST over U.S. Highway 50 carry?

About 14,000 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is 59th 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 76 ft wide.

Who owns 59th ST over U.S. Highway 50?

It is owned by the State Highway Agency.