US Bridges

I-25 Sbl over Agua Sarca Creek

Fair

San Miguel County, New Mexico · 1.1 M S of S Vegas Intrch · Structure no. 000000000007330

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
12,084
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Agua Sarca Creek is a concrete continuous slab carrying I-25 Sbl over Agua Sarca Creek in San Miguel County, New Mexico. It was built in 1973, so it is 52 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 12,084 vehicles a day, roughly 45% of them trucks, projected to reach 16,434 by 2043. The structure is 112 ft (34.1 m) long and 45 ft wide.

CarriesI-25 Sbl
CrossesAgua Sarca Creek
Location1.1 M S of S Vegas Intrch
RouteInterstate 25
Coordinates35.55427, -105.22567
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span43 ft (13.1 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,084 (2023)
Projected traffic16,434 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$378,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Sbl over Agua Sarca Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-25 Sbl over Agua Sarca Creek 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 November 2024.

How much traffic does I-25 Sbl over Agua Sarca Creek carry?

About 12,084 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-25 Sbl over Agua Sarca Creek?

The structure is 112 ft (34.1 m) long with a longest span of 43 ft (13.1 m) and a deck 45 ft wide.

Who owns I-25 Sbl over Agua Sarca Creek?

It is owned by the State Highway Agency.