US Bridges

Cross Street over Del Rosa Channel

PoorClosed to traffic

San Bernardino County, California · 0.1 MI E Conejo ST · Structure no. 54C0087

Built
1940
85 years old, rebuilt 1964
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
100
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cross Street over Del Rosa Channel is a steel stringer/multi-beam or girder carrying Cross Street over Del Rosa Channel in San Bernardino County, California. It was built in 1940 and reconstructed in 1964, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 124 by 2045. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCross Street
CrossesDel Rosa Channel
Location0.1 MI E Conejo ST
RouteCity Street 0
Coordinates34.13104, -117.25824
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating10.7 US tons
Inventory rating6.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic124 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$235,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cross Street over Del Rosa Channel built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1964.

What condition is Cross Street over Del Rosa Channel in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Cross Street over Del Rosa Channel carry?

About 100 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Cross Street over Del Rosa Channel?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns Cross Street over Del Rosa Channel?

It is owned by the City or Municipal Highway Agency.