US Bridges

Pr 14 over Maton River

PoorPosted for load

Cayey Municipio, Puerto Rico · 7 KM North West of Cayey · Structure no. 001771

Built
1886
139 years old
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
64 ft
1 main span
Daily traffic
10,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 14 over Maton River is a steel girder and floorbeam system carrying Pr 14 over Maton River in Cayey Municipio, Puerto Rico. It was built in 1886, so it is 139 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 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: posted for load restriction.

It carries about 10,700 vehicles a day, roughly 5% of them trucks, projected to reach 12,800 by 2025. The structure is 64 ft (19.4 m) long and 17 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPr 14
CrossesMaton River
Location7 KM North West of Cayey
RouteState Highway 14
Coordinates18.13975, -66.21085
Functional classUrban Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating4.5 US tons
Inventory rating3.4 US tons

Structure

MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length64 ft (19.4 m)
Longest span58 ft (17.8 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2017)
Projected traffic12,800 by 2025
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$252,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 14 over Maton River built?

It was built in 1886, making it 139 years old in 2025.

What condition is Pr 14 over Maton River 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 August 2024.

How much traffic does Pr 14 over Maton River carry?

About 10,700 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 14 over Maton River?

The structure is 64 ft (19.4 m) long with a longest span of 58 ft (17.8 m) and a deck 17 ft wide.

Who owns Pr 14 over Maton River?

It is owned by the State Highway Agency.