US Bridges

SR 101L SB over Ramp W to N

Fair

Maricopa County, Arizona · S Quad of US 60/ SR 101 T · Structure no. 02487

Built
1997
28 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
169 ft
3 main spans
Daily traffic
89,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR 101L SB over Ramp W to N is a prestressed concrete continuous box beam or girders - single or spread carrying SR 101L SB over Ramp W to N in Maricopa County, Arizona. It was built in 1997, so it is 28 years old, younger than the Arizona average of 47.8 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 89,200 vehicles a day, roughly 14% of them trucks, projected to reach 89,210 by 2042. The structure is 169 ft (51.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 101L SB
CrossesRamp W to N
LocationS Quad of US 60/ SR 101 T
RouteState Highway 101
StateArizona
Coordinates33.3835, -111.8915
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length169 ft (51.5 m)
Longest span76 ft (23.2 m)
Deck width73 ft (22.3 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89,200 (2022)
Projected traffic89,210 by 2042
Trucks14%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 101L SB over Ramp W to N built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR 101L SB over Ramp W to N 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 2023.

How much traffic does SR 101L SB over Ramp W to N carry?

About 89,200 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is SR 101L SB over Ramp W to N?

The structure is 169 ft (51.5 m) long with a longest span of 76 ft (23.2 m) and a deck 73 ft wide.

Who owns SR 101L SB over Ramp W to N?

It is owned by the State Highway Agency.