US Bridges

Monserrate Avenue over Blasina Channel

Fair

Carolina Municipio, Puerto Rico · Villa Carolina Housing · Structure no. 021001

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
68 ft
4 main spans
Daily traffic
21,676
2005 count
Owner
State
State Highway Agency

About this bridge

Monserrate Avenue over Blasina Channel is a concrete continuous slab carrying Monserrate Avenue over Blasina Channel in Carolina Municipio, Puerto Rico. It was built in 1968, so it is 57 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 21,676 vehicles a day, roughly 4% of them trucks, projected to reach 23,676 by 2025. The structure is 68 ft (20.8 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesMonserrate Avenue
CrossesBlasina Channel
LocationVilla Carolina Housing
RouteCity Street 0
CountyCarolina Municipio
StatePuerto Rico
Coordinates18.40614, -65.96724
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length68 ft (20.8 m)
Longest span17 ft (5.2 m)
Deck width45 ft (13.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,676 (2005)
Projected traffic23,676 by 2025
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$700,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monserrate Avenue over Blasina Channel built?

It was built in 1968, making it 57 years old in 2025.

What condition is Monserrate Avenue over Blasina Channel 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 2023.

How much traffic does Monserrate Avenue over Blasina Channel carry?

About 21,676 vehicles per day (2005 count), of which roughly 4% are trucks.

How long is Monserrate Avenue over Blasina Channel?

The structure is 68 ft (20.8 m) long with a longest span of 17 ft (5.2 m) and a deck 45 ft wide.

Who owns Monserrate Avenue over Blasina Channel?

It is owned by the State Highway Agency.