US Bridges

I 15 NB Ramp over F - D Street Connector

Fair

Clark County, Nevada · Las Vegas · Structure no. H1339R

Built
2010
15 years old
Condition
Fair
inspected February 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
495 ft
4 main spans
Daily traffic
18,200
2021 count
Owner
State
State Highway Agency

About this bridge

I 15 NB Ramp over F - D Street Connector is a prestressed concrete continuous box beam or girders - single or spread carrying I 15 NB Ramp over F - D Street Connector 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 18,200 vehicles a day, roughly 3% of them trucks, projected to reach 12,500 by 2040. The structure is 495 ft (151 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 15 NB Ramp
CrossesF - D Street Connector
LocationLas Vegas
RouteInterstate 15
StateNevada
Coordinates36.17815, -115.14885
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.5 US tons
Inventory rating54.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length495 ft (151 m)
Longest span141 ft (43 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,200 (2021)
Projected traffic12,500 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 15 NB Ramp over F - D Street Connector built?

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

What condition is I 15 NB Ramp over F - D Street Connector 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 February 2022.

How much traffic does I 15 NB Ramp over F - D Street Connector carry?

About 18,200 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is I 15 NB Ramp over F - D Street Connector?

The structure is 495 ft (151 m) long with a longest span of 141 ft (43 m) and a deck 29 ft wide.

Who owns I 15 NB Ramp over F - D Street Connector?

It is owned by the State Highway Agency.