US Bridges

Avenida Amistad over Unnamed Waterway

Good

Santa Fe County, New Mexico · 0.01 M W JCT US-285 · Structure no. 000000000009694

Built
1999
26 years old
Condition
Good
inspected January 2023
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
3,658
2023 count
Owner
County
County Highway Agency

About this bridge

Avenida Amistad over Unnamed Waterway is a steel culvert carrying Avenida Amistad over Unnamed Waterway in Santa Fe County, New Mexico. It was built in 1999, so it is 26 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 3,658 vehicles a day, roughly 11% of them trucks, projected to reach 4,974 by 2043. The structure is 23 ft (6.9 m) long and 111 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesAvenida Amistad
CrossesUnnamed Waterway
Location0.01 M W JCT US-285
RouteCounty Highway 4901
Coordinates35.54875, -105.88334
Functional classRural Minor 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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.3 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (6.9 m)
Longest span23 ft (6.9 m)
Deck width111 ft (33.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,658 (2023)
Projected traffic4,974 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Avenida Amistad over Unnamed Waterway built?

It was built in 1999, making it 26 years old in 2025.

What condition is Avenida Amistad over Unnamed Waterway 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 January 2023.

How much traffic does Avenida Amistad over Unnamed Waterway carry?

About 3,658 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Avenida Amistad over Unnamed Waterway?

The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m) and a deck 111 ft wide.

Who owns Avenida Amistad over Unnamed Waterway?

It is owned by the County Highway Agency.