US Bridges

Pr 186 22.9 KM over Espiritu Santo River

Fair

Rio Grande Municipio, Puerto Rico · 3 KM S E of Rio Grande · Structure no. 008311

Built
1940
85 years old, rebuilt 1961
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
89 ft
4 main spans
Daily traffic
4,500
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 186 22.9 KM over Espiritu Santo River is a steel stringer/multi-beam or girder carrying Pr 186 22.9 KM over Espiritu Santo River in Rio Grande Municipio, Puerto Rico. It was built in 1940 and reconstructed in 1961, so it is 85 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.

It carries about 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 6,500 by 2025. The structure is 89 ft (27 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPr 186 22.9 KM
CrossesEspiritu Santo River
Location3 KM S E of Rio Grande
RouteState Highway 186
CountyRio Grande Municipio
StatePuerto Rico
Coordinates18.34613, -65.82408
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating43.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length89 ft (27 m)
Longest span22 ft (6.8 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2017)
Projected traffic6,500 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 186 22.9 KM over Espiritu Santo River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1961.

What condition is Pr 186 22.9 KM over Espiritu Santo 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 June 2024.

How much traffic does Pr 186 22.9 KM over Espiritu Santo River carry?

About 4,500 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 186 22.9 KM over Espiritu Santo River?

The structure is 89 ft (27 m) long with a longest span of 22 ft (6.8 m) and a deck 25 ft wide.

Who owns Pr 186 22.9 KM over Espiritu Santo River?

It is owned by the State Highway Agency.