US Bridges

SR 445/PYRAMID L. over Orr Ditch

Fair

Washoe County, Nevada · Sparks · Structure no. B 815

Built
1959
66 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
50,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR 445/PYRAMID L. over Orr Ditch is a concrete culvert carrying SR 445/PYRAMID L. over Orr Ditch in Washoe County, Nevada. It was built in 1959, so it is 66 years old, older than the Nevada average of 36.4 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 50,500 vehicles a day, roughly 4% of them trucks, projected to reach 68,500 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSR 445/PYRAMID L.
CrossesOrr Ditch
LocationSparks
RouteCity Street 669
CountyWashoe County
StateNevada
Coordinates39.56286, -119.74992
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.8 US tons
Inventory rating50.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,500 (2021)
Projected traffic68,500 by 2040
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 445/PYRAMID L. over Orr Ditch built?

It was built in 1959, making it 66 years old in 2025.

What condition is SR 445/PYRAMID L. over Orr Ditch 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 April 2024.

How much traffic does SR 445/PYRAMID L. over Orr Ditch carry?

About 50,500 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is SR 445/PYRAMID L. over Orr Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns SR 445/PYRAMID L. over Orr Ditch?

It is owned by the State Highway Agency.