US Bridges

E Bowman Road over College Heights Wash

Good

Kern County, California · S China Lake & Bowman · Structure no. 50C0411

Built
2016
9 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
3,706
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Bowman Road over College Heights Wash is a concrete culvert carrying E Bowman Road over College Heights Wash in Kern County, California. It was built in 2016, so it is 9 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 3,706 vehicles a day, roughly 10% of them trucks, projected to reach 6,652 by 2046. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesE Bowman Road
CrossesCollege Heights Wash
LocationS China Lake & Bowman
RouteCity Street 0
CountyKern County
StateCalifornia
Coordinates35.60792, -117.67
Functional classUrban Minor Arterial

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 inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,706 (2011)
Projected traffic6,652 by 2046
Trucks10%
Lanes on structure6
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E Bowman Road over College Heights Wash built?

It was built in 2016, making it 9 years old in 2025.

What condition is E Bowman Road over College Heights Wash 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 November 2024.

How much traffic does E Bowman Road over College Heights Wash carry?

About 3,706 vehicles per day (2011 count), of which roughly 10% are trucks.

How long is E Bowman Road over College Heights Wash?

The structure is 22 ft (6.6 m) long with a longest span of 11 ft (3.3 m).

Who owns E Bowman Road over College Heights Wash?

It is owned by the City or Municipal Highway Agency.