US Bridges

I-25 Sbl over Ancho Canyon

Fair

Santa Fe County, New Mexico · 1.07 MI S of JCT US-285 · Structure no. 000000000007242

Built
1972
53 years old
Condition
Fair
inspected October 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
24,998
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Ancho Canyon is a concrete culvert carrying I-25 Sbl over Ancho Canyon 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 fair condition with a lowest component rating of 6 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 24,998 vehicles a day, roughly 45% of them trucks, projected to reach 33,997 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-25 Sbl
CrossesAncho Canyon
Location1.07 MI S of JCT US-285
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.5691, -105.8877
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,998 (2023)
Projected traffic33,997 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$300,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over Ancho Canyon built?

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

What condition is I-25 Sbl over Ancho Canyon 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 October 2021.

How much traffic does I-25 Sbl over Ancho Canyon carry?

About 24,998 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Sbl over Ancho Canyon?

The structure is 23 ft (7 m) long with a longest span of 8 ft (2.4 m).

Who owns I-25 Sbl over Ancho Canyon?

It is owned by the State Highway Agency.