US Bridges

Pr 2 72.8 KM over Dirt Road

Fair

Arecibo Municipio, Puerto Rico · 4.5 KM N E of Arecibo · Structure no. 000431

Built
1940
85 years old, rebuilt 1975
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
29,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 2 72.8 KM over Dirt Road is a prestressed concrete stringer/multi-beam or girder carrying Pr 2 72.8 KM over Dirt Road in Arecibo Municipio, Puerto Rico. It was built in 1940 and reconstructed in 1975, so it is 85 years old, older 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 29,500 vehicles a day, roughly 4% of them trucks, projected to reach 41,600 by 2025. The structure is 43 ft (13 m) long and 74 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesPr 2 72.8 KM
CrossesDirt Road
Location4.5 KM N E of Arecibo
RouteU.S. Route 2
CountyArecibo Municipio
StatePuerto Rico
Coordinates18.45444, -66.69583
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span37 ft (11.3 m)
Deck width74 ft (22.7 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,500 (2017)
Projected traffic41,600 by 2025
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 2 72.8 KM over Dirt Road built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1975.

What condition is Pr 2 72.8 KM over Dirt Road 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 Pr 2 72.8 KM over Dirt Road carry?

About 29,500 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 2 72.8 KM over Dirt Road?

The structure is 43 ft (13 m) long with a longest span of 37 ft (11.3 m) and a deck 74 ft wide.

Who owns Pr 2 72.8 KM over Dirt Road?

It is owned by the State Highway Agency.