US Bridges

IRR BIA 16 over Wash

Good

Pima County, Arizona · 4.2 KM SE of Sells · Structure no. 00000000000H628

Built
1998
27 years old
Condition
Good
inspected January 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
29 ft
2 main spans
Daily traffic
166
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA 16 over Wash is a aluminum, wrought iron, or cast iron culvert carrying IRR BIA 16 over Wash in Pima County, Arizona. It was built in 1998, so it is 27 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 166 vehicles a day, roughly 2% of them trucks, projected to reach 194 by 2043. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesIRR BIA 16
CrossesWash
Location4.2 KM SE of Sells
RouteFederal Lands Road 16
CountyPima County
StateArizona
Coordinates31.90778, -111.84083
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span13 ft (3.9 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic166 (2023)
Projected traffic194 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 IRR BIA 16 over Wash built?

It was built in 1998, making it 27 years old in 2025.

What condition is IRR BIA 16 over Wash 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 January 2023.

How much traffic does IRR BIA 16 over Wash carry?

About 166 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is IRR BIA 16 over Wash?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (3.9 m) and a deck 31 ft wide.

Who owns IRR BIA 16 over Wash?

It is owned by the Bureau of Indian Affairs.