US Bridges

Pr 702 over Unknown Creek

Good

Coamo Municipio, Puerto Rico · 9.0KM Southeast of Coamo · Structure no. 023431

Built
1994
31 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
139 ft
2 main spans
Daily traffic
4,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 702 over Unknown Creek is a prestressed concrete stringer/multi-beam or girder carrying Pr 702 over Unknown Creek in Coamo Municipio, Puerto Rico. It was built in 1994, so it is 31 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,300 vehicles a day, roughly 2% of them trucks, projected to reach 5,500 by 2025. The structure is 139 ft (42.5 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 702
CrossesUnknown Creek
Location9.0KM Southeast of Coamo
RouteState Highway 702
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.03958, -66.32656
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length139 ft (42.5 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2017)
Projected traffic5,500 by 2025
Trucks2%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 702 over Unknown Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Pr 702 over Unknown Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Pr 702 over Unknown Creek carry?

About 4,300 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 702 over Unknown Creek?

The structure is 139 ft (42.5 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Pr 702 over Unknown Creek?

It is owned by the State Highway Agency.