US Bridges

SR 101L WB over 16th Street

Good

Maricopa County, Arizona · 1.00 MI E of 7th Street · Structure no. 01690

Built
2001
24 years old, rebuilt 2020
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
83,536
2021 count
Owner
State
State Highway Agency

About this bridge

SR 101L WB over 16th Street is a prestressed concrete box beam or girders - single or spread carrying SR 101L WB over 16th Street 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 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 83,536 vehicles a day, roughly 7% of them trucks, projected to reach 83,546 by 2041. The structure is 113 ft (34.4 m) long and 96 ft wide.

CarriesSR 101L WB
Crosses16th Street
Location1.00 MI E of 7th Street
RouteState Highway 101
StateArizona
Coordinates33.6691, -112.0487
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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span107 ft (32.6 m)
Deck width96 ft (29.4 m)
Roadway width94 ft (28.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,536 (2021)
Projected traffic83,546 by 2041
Trucks7%
Lanes on structure6
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 WB over 16th Street built?

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

What condition is SR 101L WB over 16th Street 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 October 2024.

How much traffic does SR 101L WB over 16th Street carry?

About 83,536 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SR 101L WB over 16th Street?

The structure is 113 ft (34.4 m) long with a longest span of 107 ft (32.6 m) and a deck 96 ft wide.

Who owns SR 101L WB over 16th Street?

It is owned by the State Highway Agency.