US Bridges

Pr 746 over Grande De Carite River

Poor

Guayama Municipio, Puerto Rico · 4 Miles North of Guayama · Structure no. 006161

Built
1905
120 years old
Condition
Poor
inspected March 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
21 ft
1 main span
Daily traffic
400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 746 over Grande De Carite River is a steel stringer/multi-beam or girder carrying Pr 746 over Grande De Carite River in Guayama Municipio, Puerto Rico. It was built in 1905, so it is 120 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.

It carries about 400 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2025. The structure is 21 ft (6.4 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 746
CrossesGrande De Carite River
Location4 Miles North of Guayama
RouteState Highway 746
CountyGuayama Municipio
StatePuerto Rico
Coordinates18.03614, -66.1097
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2025
Inspection intervalevery 12 months
Operating statusOpen, no 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating105.3 US tons
Inventory rating62.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic600 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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$14,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 746 over Grande De Carite River built?

It was built in 1905, making it 120 years old in 2025.

What condition is Pr 746 over Grande De Carite 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 March 2025.

How much traffic does Pr 746 over Grande De Carite River carry?

About 400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 746 over Grande De Carite River?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 15 ft wide.

Who owns Pr 746 over Grande De Carite River?

It is owned by the State Highway Agency.