US Bridges

Pr 108 21.6 KM over Grande De A¥ASCO Ri

Poor

Anasco Municipio, Puerto Rico · 0.1 KM Int PR108 & Pr · Structure no. 016471

Built
1980
45 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
255 ft
3 main spans
Daily traffic
8,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 108 21.6 KM over Grande De A¥ASCO Ri is a prestressed concrete stringer/multi-beam or girder carrying Pr 108 21.6 KM over Grande De A¥ASCO Ri in Anasco Municipio, Puerto Rico. It was built in 1980, so it is 45 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 poor condition with a lowest component rating of 3 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 8,300 vehicles a day, roughly 5% of them trucks, projected to reach 11,100 by 2025. The structure is 255 ft (77.8 m) long and 44 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesPr 108 21.6 KM
CrossesGrande De A¥ASCO Ri
Location0.1 KM Int PR108 & Pr
RouteState Highway 108
Coordinates18.28203, -67.05102
Functional classRural Minor Arterial

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.9 US tons
Inventory rating66.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length255 ft (77.8 m)
Longest span81 ft (24.8 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2017)
Projected traffic11,100 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 108 21.6 KM over Grande De A¥ASCO Ri built?

It was built in 1980, making it 45 years old in 2025.

What condition is Pr 108 21.6 KM over Grande De A¥ASCO Ri 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 September 2024.

How much traffic does Pr 108 21.6 KM over Grande De A¥ASCO Ri carry?

About 8,300 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 108 21.6 KM over Grande De A¥ASCO Ri?

The structure is 255 ft (77.8 m) long with a longest span of 81 ft (24.8 m) and a deck 44 ft wide.

Who owns Pr 108 21.6 KM over Grande De A¥ASCO Ri?

It is owned by the State Highway Agency.