US Bridges

Ina RD over Union Pacific RR

Fair

Pima County, Arizona · 200 Ft E JCT I-10 · Structure no. 20095

Built
2018
7 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
317 ft
3 main spans
Daily traffic
11,267
2022 count
Owner
State
State Highway Agency

About this bridge

Ina RD over Union Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying Ina RD over Union Pacific RR in Pima County, Arizona. It was built in 2018, so it is 7 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,267 vehicles a day, roughly 5% of them trucks, projected to reach 11,277 by 2042. The structure is 317 ft (96.6 m) long and 144 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesIna RD
CrossesUnion Pacific RR
Location200 Ft E JCT I-10
RouteCity Street 0
CountyPima County
StateArizona
Coordinates32.3376, -111.0656
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
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 rating89 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length317 ft (96.6 m)
Longest span158 ft (48.2 m)
Deck width144 ft (43.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,267 (2022)
Projected traffic11,277 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Ina RD over Union Pacific RR built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ina RD over Union Pacific RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Ina RD over Union Pacific RR carry?

About 11,267 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ina RD over Union Pacific RR?

The structure is 317 ft (96.6 m) long with a longest span of 158 ft (48.2 m) and a deck 144 ft wide.

Who owns Ina RD over Union Pacific RR?

It is owned by the State Highway Agency.