US Bridges

I-25 Nbl over US-84-285 ST Francis DR

Fair

Santa Fe County, New Mexico · 5.1 M N JCT NM-14/I-25 · Structure no. 000000000007506

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
21,294
2018 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over US-84-285 ST Francis DR is a prestressed concrete stringer/multi-beam or girder carrying I-25 Nbl over US-84-285 ST Francis DR in Santa Fe County, New Mexico. It was built in 1974, so it is 51 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 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 21,294 vehicles a day, roughly 20% of them trucks, projected to reach 28,120 by 2038. The structure is 174 ft (53 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 Nbl
CrossesUS-84-285 ST Francis DR
Location5.1 M N JCT NM-14/I-25
RouteInterstate 25
CountySanta Fe County
StateNew Mexico
Coordinates35.63497, -105.95439
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.8 US tons
Inventory rating29.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length174 ft (53 m)
Longest span83 ft (25.3 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,294 (2018)
Projected traffic28,120 by 2038
Trucks20%
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 Nbl over US-84-285 ST Francis DR built?

It was built in 1974, making it 51 years old in 2025.

What condition is I-25 Nbl over US-84-285 ST Francis DR 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 August 2023.

How much traffic does I-25 Nbl over US-84-285 ST Francis DR carry?

About 21,294 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is I-25 Nbl over US-84-285 ST Francis DR?

The structure is 174 ft (53 m) long with a longest span of 83 ft (25.3 m) and a deck 45 ft wide.

Who owns I-25 Nbl over US-84-285 ST Francis DR?

It is owned by the State Highway Agency.