US Bridges

Pr 927 over Vaca River

FairPosted for load

Naguabo Municipio, Puerto Rico · 0.6 Mile West of Naguabo · Structure no. 006071

Built
1958
67 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
9,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 927 over Vaca River is a steel stringer/multi-beam or girder carrying Pr 927 over Vaca River in Naguabo Municipio, Puerto Rico. It was built in 1958, so it is 67 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. Its operating status is: posted for load restriction.

It carries about 9,100 vehicles a day, roughly 4% of them trucks, projected to reach 13,100 by 2025. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 927
CrossesVaca River
Location0.6 Mile West of Naguabo
RouteState Highway 927
Coordinates18.20652, -66.74694
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.7 US tons
Inventory rating7.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2017)
Projected traffic13,100 by 2025
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$234,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 927 over Vaca River built?

It was built in 1958, making it 67 years old in 2025.

What condition is Pr 927 over Vaca 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 2024.

How much traffic does Pr 927 over Vaca River carry?

About 9,100 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 927 over Vaca River?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Pr 927 over Vaca River?

It is owned by the State Highway Agency.