US Bridges

NB 17-EB 10 Ramp O over NB FR

Good

Maricopa County, Arizona · At JCT I 10 and I 17 · Structure no. 01944

Built
1990
35 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,367 ft
9 main spans
Daily traffic
2,823
2022 count
Owner
State
State Highway Agency

About this bridge

NB 17-EB 10 Ramp O over NB FR is a steel continuous stringer/multi-beam or girder carrying NB 17-EB 10 Ramp O over NB FR 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 2,823 vehicles a day, roughly 4% of them trucks, projected to reach 2,833 by 2042. The structure is 1,367 ft (416.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB 17-EB 10 Ramp O
CrossesNB FR
LocationAt JCT I 10 and I 17
RouteInterstate 10
CountyMaricopa County
StateArizona
Coordinates33.4597, -112.1073
Functional classUrban Principal Arterial - Interstate

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 2022
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 rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,367 ft (416.7 m)
Longest span168 ft (51.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,823 (2022)
Projected traffic2,833 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NB 17-EB 10 Ramp O over NB FR built?

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

What condition is NB 17-EB 10 Ramp O over NB FR 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 2022.

How much traffic does NB 17-EB 10 Ramp O over NB FR carry?

About 2,823 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is NB 17-EB 10 Ramp O over NB FR?

The structure is 1,367 ft (416.7 m) long with a longest span of 168 ft (51.2 m) and a deck 27 ft wide.

Who owns NB 17-EB 10 Ramp O over NB FR?

It is owned by the State Highway Agency.