US Bridges

Pr 52 Nobd 4.1 KM over Montehiedra Avenue

Fair

San Juan Municipio, Puerto Rico · 10 KM S W of Rio Piedras · Structure no. 012642

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
2 main spans
Daily traffic
60,150
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pr 52 Nobd 4.1 KM over Montehiedra Avenue is a prestressed concrete stringer/multi-beam or girder carrying Pr 52 Nobd 4.1 KM over Montehiedra Avenue in San Juan Municipio, Puerto Rico. It was built in 1977, so it is 48 years old, younger than the Puerto Rico average of 51.2 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 60,150 vehicles a day, roughly 4% of them trucks, projected to reach 68,550 by 2025. The structure is 246 ft (75 m) long and 93 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPr 52 Nobd 4.1 KM
CrossesMontehiedra Avenue
Location10 KM S W of Rio Piedras
RouteInterstate 52
Coordinates18.34333, -66.06861
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.3 US tons
Inventory rating64.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length246 ft (75 m)
Longest span116 ft (35.3 m)
Deck width93 ft (28.4 m)
Roadway width84 ft (25.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,150 (2017)
Projected traffic68,550 by 2025
Trucks4%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$633,000 (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 52 Nobd 4.1 KM over Montehiedra Avenue built?

It was built in 1977, making it 48 years old in 2025.

What condition is Pr 52 Nobd 4.1 KM over Montehiedra 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 July 2024.

How much traffic does Pr 52 Nobd 4.1 KM over Montehiedra Avenue carry?

About 60,150 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 52 Nobd 4.1 KM over Montehiedra Avenue?

The structure is 246 ft (75 m) long with a longest span of 116 ft (35.3 m) and a deck 93 ft wide.

Who owns Pr 52 Nobd 4.1 KM over Montehiedra Avenue?

It is owned by the State Toll Authority.