US Bridges

Interstate 5 SB over UP RR BNSF AMTRAK I ST

Good

Sacramento County, California · 03-SAC-005-23.59-SAC · Structure no. 24 0069L

Built
1969
56 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
3,144 ft
29 main spans
Daily traffic
92,500
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 SB over UP RR BNSF AMTRAK I ST is a steel stringer/multi-beam or girder carrying Interstate 5 SB over UP RR BNSF AMTRAK I ST in Sacramento County, California. It was built in 1969, so it is 56 years old, older 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 92,500 vehicles a day, roughly 10% of them trucks, projected to reach 129,000 by 2040. The structure is 3,144 ft (958.3 m) long and 68 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesInterstate 5 SB
CrossesUP RR BNSF AMTRAK I ST
Location03-SAC-005-23.59-SAC
RouteInterstate 5
Coordinates38.58181, -121.50396
Functional classUrban Principal Arterial - Interstate

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans29 (+25 approach)
Design loadHS 20 + Mod
Structure length3,144 ft (958.3 m)
Longest span150 ft (45.7 m)
Deck width68 ft (20.7 m)
Roadway width66 ft (20.1 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic92,500 (2015)
Projected traffic129,000 by 2040
Trucks10%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed6.2 mi (10 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 Interstate 5 SB over UP RR BNSF AMTRAK I ST built?

It was built in 1969, making it 56 years old in 2025.

What condition is Interstate 5 SB over UP RR BNSF AMTRAK I ST 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 Interstate 5 SB over UP RR BNSF AMTRAK I ST carry?

About 92,500 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Interstate 5 SB over UP RR BNSF AMTRAK I ST?

The structure is 3,144 ft (958.3 m) long with a longest span of 150 ft (45.7 m) and a deck 68 ft wide.

Who owns Interstate 5 SB over UP RR BNSF AMTRAK I ST?

It is owned by the State Highway Agency.