US Bridges

I-25 Sbl over Richards Avenue

Fair

Santa Fe County, New Mexico · 2.2 MI N JCT NM-14/I-25 · Structure no. 000000000007472

Built
1976
49 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
3 main spans
Daily traffic
34,354
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Richards Avenue is a prestressed concrete stringer/multi-beam or girder carrying I-25 Sbl over Richards Avenue in Santa Fe County, New Mexico. It was built in 1976, so it is 49 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 fair condition with a lowest component rating of 5 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 34,354 vehicles a day, roughly 14% of them trucks, projected to reach 46,721 by 2043. The structure is 144 ft (43.9 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Sbl
CrossesRichards Avenue
Location2.2 MI N JCT NM-14/I-25
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.62168, -106.0005
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span57 ft (17.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,354 (2023)
Projected traffic46,721 by 2043
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Richards Avenue built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-25 Sbl over Richards Avenue 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 May 2024.

How much traffic does I-25 Sbl over Richards Avenue carry?

About 34,354 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I-25 Sbl over Richards Avenue?

The structure is 144 ft (43.9 m) long with a longest span of 57 ft (17.4 m) and a deck 45 ft wide.

Who owns I-25 Sbl over Richards Avenue?

It is owned by the State Highway Agency.