US Bridges

Pr 730 3.9 KM over Maton Arriba Creek

Poor

Cayey Municipio, Puerto Rico · 4 KM North West of Cayey · Structure no. 022111

Built
1991
34 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 730 3.9 KM over Maton Arriba Creek is a prestressed concrete stringer/multi-beam or girder carrying Pr 730 3.9 KM over Maton Arriba Creek in Cayey Municipio, Puerto Rico. It was built in 1991, so it is 34 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, posting recommended but not legally implemented.

It carries about 600 vehicles a day, roughly 4% of them trucks, projected to reach 900 by 2025. The structure is 90 ft (27.5 m) long and 41 ft wide.

CarriesPr 730 3.9 KM
CrossesMaton Arriba Creek
Location4 KM North West of Cayey
RouteState Highway 730
Coordinates18.11756, -66.19654
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 6 months
Operating statusOpen, posting recommended but not legally implemented
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.7 US tons
Inventory rating22.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.5 m)
Longest span87 ft (26.5 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic900 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$831,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 730 3.9 KM over Maton Arriba Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Pr 730 3.9 KM over Maton Arriba Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Pr 730 3.9 KM over Maton Arriba Creek carry?

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

How long is Pr 730 3.9 KM over Maton Arriba Creek?

The structure is 90 ft (27.5 m) long with a longest span of 87 ft (26.5 m) and a deck 41 ft wide.

Who owns Pr 730 3.9 KM over Maton Arriba Creek?

It is owned by the State Highway Agency.