US Bridges

Rosedale HWY over Calloway Canal

Fair

Kern County, California · 0.2 MI East Coffee RD · Structure no. 50C0396

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
114 ft
4 main spans
Daily traffic
41,250
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rosedale HWY over Calloway Canal is a concrete continuous slab carrying Rosedale HWY over Calloway Canal in Kern County, California. It was built in 1970, so it is 55 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 41,250 vehicles a day, roughly 17% of them trucks, projected to reach 66,722 by 2042. The structure is 114 ft (34.7 m) long and 97 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRosedale HWY
CrossesCalloway Canal
Location0.2 MI East Coffee RD
RouteCity Street 0
Coordinates35.38327, -119.08816
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span28 ft (8.5 m)
Deck width97 ft (29.6 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,250 (2014)
Projected traffic66,722 by 2042
Trucks17%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rosedale HWY over Calloway Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rosedale HWY over Calloway Canal 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 January 2025.

How much traffic does Rosedale HWY over Calloway Canal carry?

About 41,250 vehicles per day (2014 count), of which roughly 17% are trucks.

How long is Rosedale HWY over Calloway Canal?

The structure is 114 ft (34.7 m) long with a longest span of 28 ft (8.5 m) and a deck 97 ft wide.

Who owns Rosedale HWY over Calloway Canal?

It is owned by the City or Municipal Highway Agency.