US Bridges

San Ignacio Avenue over Guaynabo River

Fair

Guaynabo Municipio, Puerto Rico · 0.3 KM of Int Pr 837 · Structure no. 025701

Built
1998
27 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
3 main spans
Daily traffic
600
2005 count
Owner
State
State Highway Agency

About this bridge

San Ignacio Avenue over Guaynabo River is a prestressed concrete stringer/multi-beam or girder carrying San Ignacio Avenue over Guaynabo River in Guaynabo Municipio, Puerto Rico. It was built in 1998, so it is 27 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 6 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2025. The structure is 202 ft (61.7 m) long and 86 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSan Ignacio Avenue
CrossesGuaynabo River
Location0.3 KM of Int Pr 837
RouteCity Street 0
CountyGuaynabo Municipio
StatePuerto Rico
Coordinates18.35977, -66.11644
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.1 US tons
Inventory rating59.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length202 ft (61.7 m)
Longest span76 ft (23.3 m)
Deck width86 ft (26.2 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2005)
Projected traffic1,000 by 2025
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 San Ignacio Avenue over Guaynabo River built?

It was built in 1998, making it 27 years old in 2025.

What condition is San Ignacio Avenue over Guaynabo 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 April 2023.

How much traffic does San Ignacio Avenue over Guaynabo River carry?

About 600 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is San Ignacio Avenue over Guaynabo River?

The structure is 202 ft (61.7 m) long with a longest span of 76 ft (23.3 m) and a deck 86 ft wide.

Who owns San Ignacio Avenue over Guaynabo River?

It is owned by the State Highway Agency.