US Bridges

Pr 406 over Grande De A¥ASCO Ri

Fair

Anasco Municipio, Puerto Rico · 3 KM East of A¥ASCO · Structure no. 019811

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,247 ft
10 main spans
Daily traffic
300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 406 over Grande De A¥ASCO Ri is a prestressed concrete stringer/multi-beam or girder carrying Pr 406 over Grande De A¥ASCO Ri in Anasco Municipio, Puerto Rico. It was built in 1992, so it is 33 years old, younger 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 400 by 2025. The structure is 1,247 ft (380 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesPr 406
CrossesGrande De A¥ASCO Ri
Location3 KM East of A¥ASCO
RouteState Highway 406
CountyAnasco Municipio
StatePuerto Rico
Coordinates18.27775, -67.11211
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,247 ft (380 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2017)
Projected traffic400 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$391,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 406 over Grande De A¥ASCO Ri built?

It was built in 1992, making it 33 years old in 2025.

What condition is Pr 406 over Grande De A¥ASCO Ri 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 2023.

How much traffic does Pr 406 over Grande De A¥ASCO Ri carry?

About 300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 406 over Grande De A¥ASCO Ri?

The structure is 1,247 ft (380 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns Pr 406 over Grande De A¥ASCO Ri?

It is owned by the State Highway Agency.