US Bridges

US-84 over BNSF Railroad

Fair

San Miguel County, New Mexico · 0.1 S of I-25/ROMEROVILLE · Structure no. 000000000008426

Built
1984
41 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
2,467
2023 count
Owner
State
State Highway Agency

About this bridge

US-84 over BNSF Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying US-84 over BNSF Railroad in San Miguel 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 2,467 vehicles a day, roughly 17% of them trucks, projected to reach 3,355 by 2043. The structure is 154 ft (46.9 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-84
CrossesBNSF Railroad
Location0.1 S of I-25/ROMEROVILLE
RouteU.S. Route 84
Coordinates35.5192, -105.2478
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span52 ft (15.9 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,467 (2023)
Projected traffic3,355 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$486,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-84 over BNSF Railroad built?

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

What condition is US-84 over BNSF Railroad 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 January 2024.

How much traffic does US-84 over BNSF Railroad carry?

About 2,467 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-84 over BNSF Railroad?

The structure is 154 ft (46.9 m) long with a longest span of 52 ft (15.9 m) and a deck 43 ft wide.

Who owns US-84 over BNSF Railroad?

It is owned by the State Highway Agency.