US Bridges

SB 51-EB 10 Ramp over I 10

Good

Maricopa County, Arizona · At JCT With S 51 · Structure no. 01976

Built
1987
38 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
531 ft
4 main spans
Daily traffic
62,745
2021 count
Owner
State
State Highway Agency

About this bridge

SB 51-EB 10 Ramp over I 10 is a prestressed concrete continuous box beam or girders - single or spread carrying SB 51-EB 10 Ramp over I 10 in Maricopa County, Arizona. It was built in 1987, so it is 38 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 62,745 vehicles a day, roughly 7% of them trucks, projected to reach 62,755 by 2041. The structure is 531 ft (161.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSB 51-EB 10 Ramp
CrossesI 10
LocationAt JCT With S 51
RouteState Highway 51
StateArizona
Coordinates33.4617, -112.0384
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.
Substructure8 Very GoodNo problems noted.
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 rating54 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length531 ft (161.8 m)
Longest span201 ft (61.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic62,745 (2021)
Projected traffic62,755 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 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 SB 51-EB 10 Ramp over I 10 built?

It was built in 1987, making it 38 years old in 2025.

What condition is SB 51-EB 10 Ramp over I 10 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-EB 10 Ramp over I 10 carry?

About 62,745 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is SB 51-EB 10 Ramp over I 10?

The structure is 531 ft (161.8 m) long with a longest span of 201 ft (61.3 m) and a deck 39 ft wide.

Who owns SB 51-EB 10 Ramp over I 10?

It is owned by the State Highway Agency.