US Bridges

Aster Road over Aster Road

Good

San Bernardino County, California · 0.01 MI N Phelan Road · Structure no. 54C0688

Built
2001
24 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete Continuous
Length
57 ft
2 main spans
Daily traffic
21
2014 count
Owner
County
County Highway Agency

About this bridge

Aster Road over Aster Road is a concrete continuous culvert carrying Aster Road over Aster Road in San Bernardino County, California. It was built in 2001, so it is 24 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21 vehicles a day, roughly 1% of them trucks, projected to reach 29 by 2044. The structure is 57 ft (17.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAster Road
CrossesAster Road
Location0.01 MI N Phelan Road
RouteCounty Highway 0
Coordinates34.4273, -117.43429
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length57 ft (17.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2014)
Projected traffic29 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Aster Road over Aster Road built?

It was built in 2001, making it 24 years old in 2025.

What condition is Aster Road over Aster Road in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2022.

How much traffic does Aster Road over Aster Road carry?

About 21 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Aster Road over Aster Road?

The structure is 57 ft (17.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Aster Road over Aster Road?

It is owned by the County Highway Agency.