US Bridges

16th Street over Interstate 10

Fair

San Bernardino County, California · 08-SBD-010-36.44-YUCP · Structure no. 54 0615

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
2 main spans
Daily traffic
900
2020 count
Owner
State
State Highway Agency

About this bridge

16th Street over Interstate 10 is a prestressed concrete stringer/multi-beam or girder carrying 16th Street over Interstate 10 in San Bernardino County, California. It was built in 1962, so it is 63 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 900 vehicles a day, roughly 1% of them trucks, projected to reach 1,224 by 2042. The structure is 244 ft (74.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries16th Street
CrossesInterstate 10
Location08-SBD-010-36.44-YUCP
RouteCity Street 0
Coordinates34.02219, -117.10412
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span81 ft (24.7 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2020)
Projected traffic1,224 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 16th Street over Interstate 10 built?

It was built in 1962, making it 63 years old in 2025.

What condition is 16th Street over Interstate 10 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 April 2024.

How much traffic does 16th Street over Interstate 10 carry?

About 900 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is 16th Street over Interstate 10?

The structure is 244 ft (74.4 m) long with a longest span of 81 ft (24.7 m) and a deck 37 ft wide.

Who owns 16th Street over Interstate 10?

It is owned by the State Highway Agency.