US Bridges

IRR BIA RTE 30 over Acoma Reservation Wash

Good

Cibola County, New Mexico · 5 KM East of Mccartys · Structure no. 00000000000M121

Built
1967
58 years old, rebuilt 1979
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
1,350
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 30 over Acoma Reservation Wash is a concrete continuous culvert carrying IRR BIA RTE 30 over Acoma Reservation Wash in Cibola County, New Mexico. It was built in 1967 and reconstructed in 1979, so it is 58 years old, older than the New Mexico average of 51.5 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 1,350 vehicles a day, roughly 5% of them trucks, projected to reach 1,580 by 2043. The structure is 23 ft (7 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR BIA RTE 30
CrossesAcoma Reservation Wash
Location5 KM East of Mccartys
RouteFederal Lands Road 30
Coordinates35.04806, -107.62075
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.4 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width39 ft (11.8 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2023)
Projected traffic1,580 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 30 over Acoma Reservation Wash built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1979.

What condition is IRR BIA RTE 30 over Acoma Reservation 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 April 2023.

How much traffic does IRR BIA RTE 30 over Acoma Reservation Wash carry?

About 1,350 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 30 over Acoma Reservation Wash?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 39 ft wide.

Who owns IRR BIA RTE 30 over Acoma Reservation Wash?

It is owned by the Bureau of Indian Affairs.