US Bridges

Duval Mine RD/B19 over I-19

Good

Pima County, Arizona · JCT of B-19/I-19 · Structure no. 02800

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
247 ft
2 main spans
Daily traffic
18,365
2021 count
Owner
State
State Highway Agency

About this bridge

Duval Mine RD/B19 over I-19 is a prestressed concrete continuous stringer/multi-beam or girder carrying Duval Mine RD/B19 over I-19 in Pima County, Arizona. It was built in 2005, so it is 20 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 18,365 vehicles a day, roughly 5% of them trucks, projected to reach 18,375 by 2041. The structure is 247 ft (75.3 m) long and 138 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesDuval Mine RD/B19
CrossesI-19
LocationJCT of B-19/I-19
RouteState Highway 19
CountyPima County
StateArizona
Coordinates31.90606, -110.98591
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
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 rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length247 ft (75.3 m)
Longest span120 ft (36.6 m)
Deck width138 ft (42.1 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,365 (2021)
Projected traffic18,375 by 2041
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Duval Mine RD/B19 over I-19 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Duval Mine RD/B19 over I-19 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 May 2023.

How much traffic does Duval Mine RD/B19 over I-19 carry?

About 18,365 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Duval Mine RD/B19 over I-19?

The structure is 247 ft (75.3 m) long with a longest span of 120 ft (36.6 m) and a deck 138 ft wide.

Who owns Duval Mine RD/B19 over I-19?

It is owned by the State Highway Agency.