US Bridges

Pr 9912 3.05 KM over Cayaguas River

FairPosted for load

San Lorenzo Municipio, Puerto Rico · 4 KM South of San Lorenzo · Structure no. 010611

Built
1969
56 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
145 ft
2 main spans
Daily traffic
4,800
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9912 3.05 KM over Cayaguas River is a steel stringer/multi-beam or girder carrying Pr 9912 3.05 KM over Cayaguas River in San Lorenzo Municipio, Puerto Rico. It was built in 1969, so it is 56 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 5 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 4,800 vehicles a day, roughly 5% of them trucks, projected to reach 6,900 by 2025. The structure is 145 ft (44.2 m) long and 23 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesPr 9912 3.05 KM
CrossesCayaguas River
Location4 KM South of San Lorenzo
RouteState Highway 9912
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.15184, -65.95633
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.3 US tons
Inventory rating18.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length145 ft (44.2 m)
Longest span46 ft (14 m)
Deck width23 ft (7 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2017)
Projected traffic6,900 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5.6 mi (9 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$93,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9912 3.05 KM over Cayaguas River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Pr 9912 3.05 KM over Cayaguas River 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 July 2024.

How much traffic does Pr 9912 3.05 KM over Cayaguas River carry?

About 4,800 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 9912 3.05 KM over Cayaguas River?

The structure is 145 ft (44.2 m) long with a longest span of 46 ft (14 m) and a deck 23 ft wide.

Who owns Pr 9912 3.05 KM over Cayaguas River?

It is owned by the State Highway Agency.