US Bridges

I Street over UP RR BNSF AMTRAK Etc

Fair

Sacramento County, California · Btwn I-5 & Sacramento Riv · Structure no. 24C0364L

Built
1936
89 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
630 ft
14 main spans
Daily traffic
4,995
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

I Street over UP RR BNSF AMTRAK Etc is a steel continuous stringer/multi-beam or girder carrying I Street over UP RR BNSF AMTRAK Etc in Sacramento County, California. It was built in 1936, so it is 89 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 4,995 vehicles a day, roughly 10% of them trucks, projected to reach 13,244 by 2043. The structure is 630 ft (192 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI Street
CrossesUP RR BNSF AMTRAK Etc
LocationBtwn I-5 & Sacramento Riv
RouteCity Street 0
Coordinates38.58502, -121.50331
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating19.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadUnknown
Structure length630 ft (192 m)
Longest span73 ft (22.3 m)
Deck width45 ft (13.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,995 (2014)
Projected traffic13,244 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 I Street over UP RR BNSF AMTRAK Etc built?

It was built in 1936, making it 89 years old in 2025.

What condition is I Street over UP RR BNSF AMTRAK Etc 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 I Street over UP RR BNSF AMTRAK Etc carry?

About 4,995 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is I Street over UP RR BNSF AMTRAK Etc?

The structure is 630 ft (192 m) long with a longest span of 73 ft (22.3 m) and a deck 45 ft wide.

Who owns I Street over UP RR BNSF AMTRAK Etc?

It is owned by the City or Municipal Highway Agency.