US Bridges

Pr 702 3.65 KM over Unknown Creek

FairPosted for load

Coamo Municipio, Puerto Rico · 3 KM East of Coamo · Structure no. 006641

Built
1953
72 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
2,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 702 3.65 KM over Unknown Creek is a concrete culvert carrying Pr 702 3.65 KM over Unknown Creek in Coamo Municipio, Puerto Rico. It was built in 1953, so it is 72 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,600 vehicles a day, roughly 4% of them trucks, projected to reach 3,800 by 2025. The structure is 27 ft (8.3 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPr 702 3.65 KM
CrossesUnknown Creek
Location3 KM East of Coamo
RouteState Highway 702
Coordinates18.07597, -66.32513
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.3 US tons
Inventory rating12.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span13 ft (4 m)
Deck width26 ft (8 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2017)
Projected traffic3,800 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$13,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 702 3.65 KM over Unknown Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Pr 702 3.65 KM over Unknown 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 December 2023.

How much traffic does Pr 702 3.65 KM over Unknown Creek carry?

About 2,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 702 3.65 KM over Unknown Creek?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.

Who owns Pr 702 3.65 KM over Unknown Creek?

It is owned by the State Highway Agency.