US Bridges

US-84/285 over County Road 73

Good

Santa Fe County, New Mexico · JCT US-84 & County RD · Structure no. 000000000009310

Built
2004
21 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
33,104
2023 count
Owner
State
State Highway Agency

About this bridge

US-84/285 over County Road 73 is a prestressed concrete box beam or girders - single or spread carrying US-84/285 over County Road 73 in Santa Fe County, New Mexico. It was built in 2004, so it is 21 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 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 33,104 vehicles a day, roughly 17% of them trucks, projected to reach 45,021 by 2043. The structure is 120 ft (36.6 m) long and 80 ft wide.

CarriesUS-84/285
CrossesCounty Road 73
LocationJCT US-84 & County RD
RouteU.S. Route 84
Coordinates35.78331, -105.94792
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.3 US tons
Inventory rating36.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span116 ft (35.4 m)
Deck width80 ft (24.3 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,104 (2023)
Projected traffic45,021 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-84/285 over County Road 73 built?

It was built in 2004, making it 21 years old in 2025.

What condition is US-84/285 over County Road 73 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 March 2023.

How much traffic does US-84/285 over County Road 73 carry?

About 33,104 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-84/285 over County Road 73?

The structure is 120 ft (36.6 m) long with a longest span of 116 ft (35.4 m) and a deck 80 ft wide.

Who owns US-84/285 over County Road 73?

It is owned by the State Highway Agency.