US Bridges

NM-47 over Tijeras Arroyo

Fair

Bernalillo County, New Mexico · 1.7 MI S JCT NM-47/NM-500 · Structure no. 000000000007107

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
1 main span
Daily traffic
12,453
2023 count
Owner
State
State Highway Agency

About this bridge

NM-47 over Tijeras Arroyo is a prestressed concrete stringer/multi-beam or girder carrying NM-47 over Tijeras Arroyo in Bernalillo County, New Mexico. It was built in 1969, so it is 56 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 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 12,453 vehicles a day, roughly 12% of them trucks, projected to reach 16,936 by 2043. The structure is 107 ft (32.6 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNM-47
CrossesTijeras Arroyo
Location1.7 MI S JCT NM-47/NM-500
RouteState Highway 47
CountyBernalillo County
StateNew Mexico
Coordinates35.00147, -106.6516
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span104 ft (31.7 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,453 (2023)
Projected traffic16,936 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$740,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NM-47 over Tijeras Arroyo built?

It was built in 1969, making it 56 years old in 2025.

What condition is NM-47 over Tijeras Arroyo 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 NM-47 over Tijeras Arroyo carry?

About 12,453 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is NM-47 over Tijeras Arroyo?

The structure is 107 ft (32.6 m) long with a longest span of 104 ft (31.7 m) and a deck 52 ft wide.

Who owns NM-47 over Tijeras Arroyo?

It is owned by the State Highway Agency.