US Bridges

53Z001 over I25 Nbl/Sbl @ MP-163

Poor

Socorro County, New Mexico · 4.8 M N JCT NM-408/I-25 · Structure no. 000000000005842

Built
1958
67 years old
Condition
Poor
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
236 ft
2 main spans
Daily traffic
58
2023 count
Owner
State
State Highway Agency

About this bridge

53Z001 over I25 Nbl/Sbl @ MP-163 is a prestressed concrete box beam or girders - multiple carrying 53Z001 over I25 Nbl/Sbl @ MP-163 in Socorro County, New Mexico. It was built in 1958, so it is 67 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 58 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2043. The structure is 236 ft (71.9 m) long and 24 ft wide.

Location

Open in Google Maps
Carries53Z001
CrossesI25 Nbl/Sbl @ MP-163
Location4.8 M N JCT NM-408/I-25
RouteState Highway 0Z001
CountySocorro County
StateNew Mexico
Coordinates34.25389, -106.9087
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length236 ft (71.9 m)
Longest span56 ft (17.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58 (2023)
Projected traffic78 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$339,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 53Z001 over I25 Nbl/Sbl @ MP-163 built?

It was built in 1958, making it 67 years old in 2025.

What condition is 53Z001 over I25 Nbl/Sbl @ MP-163 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does 53Z001 over I25 Nbl/Sbl @ MP-163 carry?

About 58 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 53Z001 over I25 Nbl/Sbl @ MP-163?

The structure is 236 ft (71.9 m) long with a longest span of 56 ft (17.1 m) and a deck 24 ft wide.

Who owns 53Z001 over I25 Nbl/Sbl @ MP-163?

It is owned by the State Highway Agency.