US Bridges

Off Pr 730 KM 3.9 over Maton River

Good

Cayey Municipio, Puerto Rico · 4 KM Northwest of Cayey · Structure no. 031491

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
4 main spans
Daily traffic
600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 730 KM 3.9 over Maton River is a steel stringer/multi-beam or girder carrying Off Pr 730 KM 3.9 over Maton River in Cayey Municipio, Puerto Rico. It was built in 1990, so it is 35 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 600 vehicles a day, roughly 2% of them trucks, projected to reach 900 by 2025. The structure is 34 ft (10.5 m) long and 18 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesOff Pr 730 KM 3.9
CrossesMaton River
Location4 KM Northwest of Cayey
CountyCayey Municipio
StatePuerto Rico
Coordinates18.11168, -66.19254
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating38.1 US tons
Inventory rating29.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length34 ft (10.5 m)
Longest span8 ft (2.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic900 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$120,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 730 KM 3.9 over Maton River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Off Pr 730 KM 3.9 over Maton River 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 March 2024.

How much traffic does Off Pr 730 KM 3.9 over Maton River carry?

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

How long is Off Pr 730 KM 3.9 over Maton River?

The structure is 34 ft (10.5 m) long with a longest span of 8 ft (2.4 m) and a deck 18 ft wide.

Who owns Off Pr 730 KM 3.9 over Maton River?

It is owned by the City or Municipal Highway Agency.