US Bridges

49-39000 over Arroyo Seco

Good

Santa Fe County, New Mexico · .2 Mi. E. Jct. US 84/285 · Structure no. 000000000009436

Built
2011
14 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
200 ft
2 main spans
Daily traffic
451
2023 count
Owner
State
State Highway Agency

About this bridge

49-39000 over Arroyo Seco is a prestressed concrete continuous box beam or girders - single or spread carrying 49-39000 over Arroyo Seco in Santa Fe County, New Mexico. It was built in 2011, so it is 14 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 451 vehicles a day, roughly 5% of them trucks, projected to reach 613 by 2043. The structure is 200 ft (61 m) long and 30 ft wide.

Location

Open in Google Maps
Carries49-39000
CrossesArroyo Seco
Location.2 Mi. E. Jct. US 84/285
RouteCounty Highway 39000
CountySanta Fe County
StateNew Mexico
Coordinates35.96197, -106.02736
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating109.8 US tons
Inventory rating66.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length200 ft (61 m)
Longest span100 ft (30.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic451 (2023)
Projected traffic613 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$500,000 (2075 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 49-39000 over Arroyo Seco built?

It was built in 2011, making it 14 years old in 2025.

What condition is 49-39000 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 February 2023.

How much traffic does 49-39000 over Arroyo Seco carry?

About 451 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is 49-39000 over Arroyo Seco?

The structure is 200 ft (61 m) long with a longest span of 100 ft (30.5 m) and a deck 30 ft wide.

Who owns 49-39000 over Arroyo Seco?

It is owned by the State Highway Agency.