US Bridges

PR-138 KM 1.6 over Dirt Road

Fair

Coamo Municipio, Puerto Rico · 3 KM East of Coamo · Structure no. 026541

Built
2005
20 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
9,400
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

PR-138 KM 1.6 over Dirt Road is a prestressed concrete stringer/multi-beam or girder carrying PR-138 KM 1.6 over Dirt Road in Coamo Municipio, Puerto Rico. It was built in 2005, so it is 20 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 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 9,400 vehicles a day, roughly 4% of them trucks, projected to reach 12,000 by 2025. The structure is 120 ft (36.5 m) long and 50 ft wide.

Location

Open in Google Maps
CarriesPR-138 KM 1.6
CrossesDirt Road
Location3 KM East of Coamo
RouteState Highway 138
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.06301, -66.35672
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length120 ft (36.5 m)
Longest span115 ft (35 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2017)
Projected traffic12,000 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed—
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was PR-138 KM 1.6 over Dirt Road built?

It was built in 2005, making it 20 years old in 2025.

What condition is PR-138 KM 1.6 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 March 2023.

How much traffic does PR-138 KM 1.6 over Dirt Road carry?

About 9,400 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is PR-138 KM 1.6 over Dirt Road?

The structure is 120 ft (36.5 m) long with a longest span of 115 ft (35 m) and a deck 50 ft wide.

Who owns PR-138 KM 1.6 over Dirt Road?

It is owned by the City or Municipal Highway Agency.