US Bridges

I 80 over Ditch

Fair

Washoe County, Nevada · Near Verdi · Structure no. B 820

Built
1964
61 years old
Condition
Fair
inspected March 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
37,500
2021 count
Owner
State
State Highway Agency

About this bridge

I 80 over Ditch is a concrete culvert carrying I 80 over Ditch in Washoe County, Nevada. It was built in 1964, so it is 61 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 37,500 vehicles a day, roughly 19% of them trucks, projected to reach 68,004 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 80
CrossesDitch
LocationNear Verdi
RouteInterstate 80
StateNevada
Coordinates39.51106, -119.96527
Functional classRural Principal Arterial - Interstate

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 inspectionMarch 2022
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 rating110.1 US tons
Inventory rating75.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2021)
Projected traffic68,004 by 2040
Trucks19%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$381,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I 80 over Ditch built?

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

What condition is I 80 over 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 March 2022.

How much traffic does I 80 over Ditch carry?

About 37,500 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is I 80 over Ditch?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns I 80 over Ditch?

It is owned by the State Highway Agency.