US Bridges

US-84 over Arroyo Seco

Good

Santa Fe County, New Mexico · 5.20 MI N of JCT NM-502 · Structure no. 000000000007407

Built
1972
53 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
184 ft
12 main spans
Daily traffic
25,425
2023 count
Owner
State
State Highway Agency

About this bridge

US-84 over Arroyo Seco is a concrete culvert carrying US-84 over Arroyo Seco in Santa Fe County, New Mexico. It was built in 1972, so it is 53 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 25,425 vehicles a day, roughly 17% of them trucks, projected to reach 34,578 by 2043. The structure is 184 ft (56.2 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesUS-84
CrossesArroyo Seco
Location5.20 MI N of JCT NM-502
RouteU.S. Route 84
Coordinates35.96198, -106.02861
Functional classUrban Other Principal 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans12
Design loadHS 20
Structure length184 ft (56.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,425 (2023)
Projected traffic34,578 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-84 over Arroyo Seco built?

It was built in 1972, making it 53 years old in 2025.

What condition is US-84 over Arroyo Seco 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 October 2021.

How much traffic does US-84 over Arroyo Seco carry?

About 25,425 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is US-84 over Arroyo Seco?

The structure is 184 ft (56.2 m) long with a longest span of 10 ft (3 m).

Who owns US-84 over Arroyo Seco?

It is owned by the State Highway Agency.