US Bridges

Obannon Rd. over Drainage

Fair

Clark County, Nevada · W. of Ellsworth Ave. · Structure no. 2361006P0000000

Built
2010
15 years old
Condition
Fair
inspected December 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
66 ft
3 main spans
Daily traffic
100
2021 count
Owner
Federal
Air Force

About this bridge

Obannon Rd. over Drainage is a aluminum, wrought iron, or cast iron culvert carrying Obannon Rd. over Drainage in Clark County, Nevada. It was built in 2010, so it is 15 years old, younger 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 100 vehicles a day, projected to reach 105 by 2031. The structure is 66 ft (20.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesObannon Rd.
CrossesDrainage
LocationW. of Ellsworth Ave.
RouteFederal Lands Road 0
CountyClark County
StateNevada
Coordinates36.24682, -115.00737
Functional classRural 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans3
Design loadUnknown
Structure length66 ft (20.2 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic105 by 2031
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Obannon Rd. over Drainage built?

It was built in 2010, making it 15 years old in 2025.

What condition is Obannon Rd. over Drainage 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 December 2024.

How much traffic does Obannon Rd. over Drainage carry?

About 100 vehicles per day (2021 count).

How long is Obannon Rd. over Drainage?

The structure is 66 ft (20.2 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Obannon Rd. over Drainage?

It is owned by the Air Force.