US Bridges

Pr 704 3.55 KM over Obispo Creek

Fair

Coamo Municipio, Puerto Rico · 5 KM South East of Coamo · Structure no. 019211

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 704 3.55 KM over Obispo Creek is a prestressed concrete stringer/multi-beam or girder carrying Pr 704 3.55 KM over Obispo Creek in Coamo Municipio, Puerto Rico. It was built in 1989, so it is 36 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 1,000 vehicles a day, roughly 4% of them trucks, projected to reach 1,500 by 2025. The structure is 89 ft (27 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 704 3.55 KM
CrossesObispo Creek
Location5 KM South East of Coamo
RouteState Highway 704
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.08221, -66.29241
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length89 ft (27 m)
Longest span89 ft (27 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,500 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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$50,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 704 3.55 KM over Obispo Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Pr 704 3.55 KM over Obispo Creek 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 2024.

How much traffic does Pr 704 3.55 KM over Obispo Creek carry?

About 1,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 704 3.55 KM over Obispo Creek?

The structure is 89 ft (27 m) long with a longest span of 89 ft (27 m) and a deck 31 ft wide.

Who owns Pr 704 3.55 KM over Obispo Creek?

It is owned by the State Highway Agency.