US Bridges

"o" ST over Interstate 5 & Ramps

Fair

Sacramento County, California · 03-SAC-005-23.26-SAC · Structure no. 24 0273

Built
1970
55 years old, rebuilt 2016
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
224 ft
2 main spans
Daily traffic
2,200
2015 count
Owner
State
State Highway Agency

About this bridge

"o" ST over Interstate 5 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying "o" ST over Interstate 5 & Ramps in Sacramento County, California. It was built in 1970 and reconstructed in 2016, so it is 55 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 2,200 vehicles a day, roughly 2% of them trucks, projected to reach 2,653 by 2047. The structure is 224 ft (68.3 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries"o" ST
CrossesInterstate 5 & Ramps
Location03-SAC-005-23.26-SAC
RouteCity Street 0
Coordinates38.57791, -121.50773
Functional classUrban Local

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 inspectionFebruary 2025
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 rating41.8 US tons
Inventory rating26.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length224 ft (68.3 m)
Longest span111 ft (33.8 m)
Deck width52 ft (16 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2015)
Projected traffic2,653 by 2047
Trucks2%
Lanes on structure2
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 "o" ST over Interstate 5 & Ramps built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2016.

What condition is "o" ST over Interstate 5 & Ramps 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 February 2025.

How much traffic does "o" ST over Interstate 5 & Ramps carry?

About 2,200 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is "o" ST over Interstate 5 & Ramps?

The structure is 224 ft (68.3 m) long with a longest span of 111 ft (33.8 m) and a deck 52 ft wide.

Who owns "o" ST over Interstate 5 & Ramps?

It is owned by the State Highway Agency.