US Bridges

SR 101L EB over Low Flow Channel

Fair

Maricopa County, Arizona · 0.5 MI W JCT SR 51 · Structure no. 02542

Built
2001
24 years old, rebuilt 2020
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
214 ft
2 main spans
Daily traffic
65,532
2023 count
Owner
State
State Highway Agency

About this bridge

SR 101L EB over Low Flow Channel is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 101L EB over Low Flow Channel in Maricopa County, Arizona. It was built in 2001 and reconstructed in 2020, so it is 24 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 65,532 vehicles a day, roughly 7% of them trucks, projected to reach 65,542 by 2042. The structure is 214 ft (65.2 m) long and 99 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 101L EB
CrossesLow Flow Channel
Location0.5 MI W JCT SR 51
RouteState Highway 101
CountyMaricopa County
StateArizona
Coordinates33.6727, -112.0082
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span103 ft (31.4 m)
Deck width99 ft (30.1 m)
Roadway width96 ft (29.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,532 (2023)
Projected traffic65,542 by 2042
Trucks7%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 101L EB over Low Flow Channel built?

It was built in 2001, making it 24 years old in 2025. It was reconstructed in 2020.

What condition is SR 101L EB over Low Flow Channel 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 January 2025.

How much traffic does SR 101L EB over Low Flow Channel carry?

About 65,532 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 101L EB over Low Flow Channel?

The structure is 214 ft (65.2 m) long with a longest span of 103 ft (31.4 m) and a deck 99 ft wide.

Who owns SR 101L EB over Low Flow Channel?

It is owned by the State Highway Agency.