US Bridges

IRR BIA RTE N3002 over Gallegos Wash

Fair

San Juan County, New Mexico · 3.5 MI E of Chaco Plant · Structure no. 00000000000N818

Built
1984
41 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
151 ft
3 main spans
Daily traffic
1,000
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE N3002 over Gallegos Wash is a steel continuous stringer/multi-beam or girder carrying IRR BIA RTE N3002 over Gallegos Wash in San Juan County, New Mexico. It was built in 1984, so it is 41 years old, younger than the New Mexico average of 51.5 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 1,000 vehicles a day, roughly 20% of them trucks, projected to reach 581 by 2043. The structure is 151 ft (46 m) long and 36 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesIRR BIA RTE N3002
CrossesGallegos Wash
Location3.5 MI E of Chaco Plant
RouteFederal Lands Road 3002
CountySan Juan County
StateNew Mexico
Coordinates36.49747, -108.06272
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating69.8 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span60 ft (18.4 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic581 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 N3002 over Gallegos Wash built?

It was built in 1984, making it 41 years old in 2025.

What condition is IRR BIA RTE N3002 over Gallegos Wash 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 March 2023.

How much traffic does IRR BIA RTE N3002 over Gallegos Wash carry?

About 1,000 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is IRR BIA RTE N3002 over Gallegos Wash?

The structure is 151 ft (46 m) long with a longest span of 60 ft (18.4 m) and a deck 36 ft wide.

Who owns IRR BIA RTE N3002 over Gallegos Wash?

It is owned by the Bureau of Indian Affairs.