US Bridges

SR 101L WB over Cap Canal

Good

Maricopa County, Arizona · 0.6 MI W JCT SR 51 · Structure no. 02473

Built
2000
25 years old, rebuilt 2020
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
372 ft
3 main spans
Daily traffic
96,595
2023 count
Owner
State
State Highway Agency

About this bridge

SR 101L WB over Cap Canal is a prestressed concrete box beam or girders - single or spread carrying SR 101L WB over Cap Canal in Maricopa County, Arizona. It was built in 2000 and reconstructed in 2020, so it is 25 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96,595 vehicles a day, roughly 7% of them trucks, projected to reach 96,605 by 2042. The structure is 372 ft (113.4 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 101L WB
CrossesCap Canal
Location0.6 MI W JCT SR 51
RouteState Highway 101
StateArizona
Coordinates33.673, -112.0107
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length372 ft (113.4 m)
Longest span193 ft (58.8 m)
Deck width96 ft (29.4 m)
Roadway width94 ft (28.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96,595 (2023)
Projected traffic96,605 by 2042
Trucks7%
Lanes on structure5
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 WB over Cap Canal built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2020.

What condition is SR 101L WB over Cap Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does SR 101L WB over Cap Canal carry?

About 96,595 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR 101L WB over Cap Canal?

The structure is 372 ft (113.4 m) long with a longest span of 193 ft (58.8 m) and a deck 96 ft wide.

Who owns SR 101L WB over Cap Canal?

It is owned by the State Highway Agency.