US Bridges

NM-609 over BNSF R/R Rio Puerco

Fair

McKinley County, New Mexico · 0.1 MI N of NM118/GALLUP · Structure no. 000000000007617

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
384 ft
4 main spans
Daily traffic
16,095
2023 count
Owner
State
State Highway Agency

About this bridge

NM-609 over BNSF R/R Rio Puerco is a steel continuous stringer/multi-beam or girder carrying NM-609 over BNSF R/R Rio Puerco in McKinley County, New Mexico. It was built in 1978, so it is 47 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 5 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 16,095 vehicles a day, roughly 12% of them trucks, projected to reach 21,889 by 2043. The structure is 384 ft (117 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNM-609
CrossesBNSF R/R Rio Puerco
Location0.1 MI N of NM118/GALLUP
RouteState Highway 609
Coordinates35.53168, -108.72708
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length384 ft (117 m)
Longest span134 ft (40.8 m)
Deck width79 ft (24.1 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,095 (2023)
Projected traffic21,889 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-609 over BNSF R/R Rio Puerco built?

It was built in 1978, making it 47 years old in 2025.

What condition is NM-609 over BNSF R/R Rio Puerco 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 October 2023.

How much traffic does NM-609 over BNSF R/R Rio Puerco carry?

About 16,095 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-609 over BNSF R/R Rio Puerco?

The structure is 384 ft (117 m) long with a longest span of 134 ft (40.8 m) and a deck 79 ft wide.

Who owns NM-609 over BNSF R/R Rio Puerco?

It is owned by the State Highway Agency.