US Bridges

US 50 (I-305) EB over 18th to 24th UP BNSF Lrt

Fair

Sacramento County, California · 03-SAC-050-L1.59-SAC · Structure no. 24 0248R

Built
1968
57 years old, rebuilt 2014
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
2,550 ft
25 main spans
Daily traffic
123,000
2020 count
Owner
State
State Highway Agency

About this bridge

US 50 (I-305) EB over 18th to 24th UP BNSF Lrt is a concrete continuous box beam or girders - multiple carrying US 50 (I-305) EB over 18th to 24th UP BNSF Lrt in Sacramento County, California. It was built in 1968 and reconstructed in 2014, so it is 57 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 123,000 vehicles a day, roughly 2% of them trucks, projected to reach 192,812 by 2041. The structure is 2,550 ft (777.2 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 50 (I-305) EB
Crosses18th to 24th UP BNSF Lrt
Location03-SAC-050-L1.59-SAC
RouteInterstate 50
Coordinates38.56237, -121.48934
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans25
Design loadHS 20
Structure length2,550 ft (777.2 m)
Longest span110 ft (33.5 m)
Deck width90 ft (27.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123,000 (2020)
Projected traffic192,812 by 2041
Trucks2%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 US 50 (I-305) EB over 18th to 24th UP BNSF Lrt built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2014.

What condition is US 50 (I-305) EB over 18th to 24th UP BNSF Lrt 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 US 50 (I-305) EB over 18th to 24th UP BNSF Lrt carry?

About 123,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is US 50 (I-305) EB over 18th to 24th UP BNSF Lrt?

The structure is 2,550 ft (777.2 m) long with a longest span of 110 ft (33.5 m) and a deck 90 ft wide.

Who owns US 50 (I-305) EB over 18th to 24th UP BNSF Lrt?

It is owned by the State Highway Agency.