US Bridges

Pr 307 over Boqueron River

Fair

Cabo Rojo Municipio, Puerto Rico · 7 KM S W of Cabo Rojo · Structure no. 010841

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
3,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 307 over Boqueron River is a concrete culvert carrying Pr 307 over Boqueron River in Cabo Rojo Municipio, Puerto Rico. It was built in 1950, so it is 75 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,600 vehicles a day, roughly 2% of them trucks, projected to reach 4,700 by 2025. The structure is 30 ft (9.2 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 307
CrossesBoqueron River
Location7 KM S W of Cabo Rojo
RouteState Highway 307
CountyCabo Rojo Municipio
StatePuerto Rico
Coordinates18.03306, -67.17542
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span15 ft (4.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2017)
Projected traffic4,700 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 307 over Boqueron River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 307 over Boqueron 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 September 2023.

How much traffic does Pr 307 over Boqueron River carry?

About 3,600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 307 over Boqueron River?

The structure is 30 ft (9.2 m) long with a longest span of 15 ft (4.6 m) and a deck 25 ft wide.

Who owns Pr 307 over Boqueron River?

It is owned by the State Highway Agency.