US Bridges

Poway RD over Rattlesnake Creek

Fair

San Diego County, California · 100FT E/O Tarascan Dr. · Structure no. 57C0281

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
33,122
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Poway RD over Rattlesnake Creek is a concrete culvert carrying Poway RD over Rattlesnake Creek in San Diego County, California. It was built in 1964, so it is 61 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 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 33,122 vehicles a day, roughly 2% of them trucks, projected to reach 36,726 by 2046. The structure is 52 ft (15.8 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPoway RD
CrossesRattlesnake Creek
Location100FT E/O Tarascan Dr.
RouteCity Street 0
Coordinates32.95639, -117.04619
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span17 ft (5.1 m)
Deck width93 ft (28.3 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,122 (2020)
Projected traffic36,726 by 2046
Trucks2%
Lanes on structure4
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

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 Poway RD over Rattlesnake Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Poway RD over Rattlesnake Creek 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 October 2024.

How much traffic does Poway RD over Rattlesnake Creek carry?

About 33,122 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Poway RD over Rattlesnake Creek?

The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.1 m) and a deck 93 ft wide.

Who owns Poway RD over Rattlesnake Creek?

It is owned by the City or Municipal Highway Agency.