US Bridges

Pr 9910 0.9 KM over Santiago Channel

Fair

Yabucoa Municipio, Puerto Rico · 1 KM North of Yabucoa · Structure no. 001341

Built
1919
106 years old, rebuilt 1959
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
2 main spans
Daily traffic
6,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 9910 0.9 KM over Santiago Channel is a steel stringer/multi-beam or girder carrying Pr 9910 0.9 KM over Santiago Channel in Yabucoa Municipio, Puerto Rico. It was built in 1919 and reconstructed in 1959, so it is 106 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 6,600 vehicles a day, roughly 4% of them trucks, projected to reach 9,000 by 2025. The structure is 69 ft (21 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPr 9910 0.9 KM
CrossesSantiago Channel
Location1 KM North of Yabucoa
RouteState Highway 9910
CountyYabucoa Municipio
StatePuerto Rico
Coordinates18.05393, -65.8754
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.2 US tons
Inventory rating32.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length69 ft (21 m)
Longest span34 ft (10.5 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2017)
Projected traffic9,000 by 2025
Trucks4%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$497,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 9910 0.9 KM over Santiago Channel built?

It was built in 1919, making it 106 years old in 2025. It was reconstructed in 1959.

What condition is Pr 9910 0.9 KM over Santiago 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 July 2024.

How much traffic does Pr 9910 0.9 KM over Santiago Channel carry?

About 6,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 9910 0.9 KM over Santiago Channel?

The structure is 69 ft (21 m) long with a longest span of 34 ft (10.5 m) and a deck 33 ft wide.

Who owns Pr 9910 0.9 KM over Santiago Channel?

It is owned by the State Highway Agency.