US Bridges

Baseline RD over Del Rosa Storm Drain

Fair

San Bernardino County, California · 0.2 MI E Tippecanoe Ave · Structure no. 54C0458

Built
1974
51 years old
Condition
Fair
inspected November 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
10,000
2015 count
Owner
County
County Highway Agency

About this bridge

Baseline RD over Del Rosa Storm Drain is a concrete culvert carrying Baseline RD over Del Rosa Storm Drain in San Bernardino County, California. It was built in 1974, so it is 51 years old, younger 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 6 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 10,000 vehicles a day, roughly 1% of them trucks, projected to reach 12,783 by 2044. The structure is 23 ft (7 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBaseline RD
CrossesDel Rosa Storm Drain
Location0.2 MI E Tippecanoe Ave
RouteCounty Highway 0
Coordinates34.12121, -117.25807
Functional classUrban Minor 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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width83 ft (25.3 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2015)
Projected traffic12,783 by 2044
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Baseline RD over Del Rosa Storm Drain built?

It was built in 1974, making it 51 years old in 2025.

What condition is Baseline RD over Del Rosa Storm Drain 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 November 2022.

How much traffic does Baseline RD over Del Rosa Storm Drain carry?

About 10,000 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Baseline RD over Del Rosa Storm Drain?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 83 ft wide.

Who owns Baseline RD over Del Rosa Storm Drain?

It is owned by the County Highway Agency.