US Bridges

IRR BIA RTE N59 over Burro Wash

Poor

Apache County, Arizona · 7 MI NW of Agency Line · Structure no. 00000000000N329

Built
1976
49 years old
Condition
Poor
inspected March 2023
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
1,620
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N59 over Burro Wash is a steel culvert carrying IRR BIA RTE N59 over Burro Wash in Apache County, Arizona. It was built in 1976, so it is 49 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,620 vehicles a day, roughly 10% of them trucks, projected to reach 1,895 by 2043. The structure is 27 ft (8.2 m) long and 68 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N59
CrossesBurro Wash
Location7 MI NW of Agency Line
RouteFederal Lands Road 0N59
CountyApache County
StateArizona
Coordinates36.49778, -109.91383
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width68 ft (20.6 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,620 (2023)
Projected traffic1,895 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 RTE N59 over Burro Wash built?

It was built in 1976, making it 49 years old in 2025.

What condition is IRR BIA RTE N59 over Burro Wash in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does IRR BIA RTE N59 over Burro Wash carry?

About 1,620 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is IRR BIA RTE N59 over Burro Wash?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 68 ft wide.

Who owns IRR BIA RTE N59 over Burro Wash?

It is owned by the Bureau of Indian Affairs.