US Bridges

SB 51-WB 10 Ramp over None

Good

Maricopa County, Arizona · At JCT I 10 Sl 202 SR 5 · Structure no. 02125

Built
1990
35 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
339 ft
3 main spans
Daily traffic
18,296
2021 count
Owner
State
State Highway Agency

About this bridge

SB 51-WB 10 Ramp over None is a prestressed concrete continuous box beam or girders - single or spread carrying SB 51-WB 10 Ramp over None in Maricopa County, Arizona. It was built in 1990, so it is 35 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 18,296 vehicles a day, roughly 4% of them trucks, projected to reach 18,306 by 2041. The structure is 339 ft (103.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB 51-WB 10 Ramp
CrossesNone
LocationAt JCT I 10 Sl 202 SR 5
RouteInterstate 10
StateArizona
Coordinates33.4637, -112.0388
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating47 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length339 ft (103.3 m)
Longest span128 ft (39 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,296 (2021)
Projected traffic18,306 by 2041
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SB 51-WB 10 Ramp over None built?

It was built in 1990, making it 35 years old in 2025.

What condition is SB 51-WB 10 Ramp over None 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 December 2024.

How much traffic does SB 51-WB 10 Ramp over None carry?

About 18,296 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is SB 51-WB 10 Ramp over None?

The structure is 339 ft (103.3 m) long with a longest span of 128 ft (39 m) and a deck 25 ft wide.

Who owns SB 51-WB 10 Ramp over None?

It is owned by the State Highway Agency.