US Bridges

Pr 105 29.3 KM over Guayaba River

Fair

Maricao Municipio, Puerto Rico · 4 KM East of Maricao · Structure no. 002141

Built
1925
100 years old
Condition
Fair
inspected November 2023
Type
Arch - Deck
Concrete
Length
81 ft
1 main span
Daily traffic
300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 105 29.3 KM over Guayaba River is a concrete arch - deck carrying Pr 105 29.3 KM over Guayaba River in Maricao Municipio, Puerto Rico. It was built in 1925, so it is 100 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 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 300 vehicles a day, roughly 4% of them trucks, projected to reach 400 by 2025. The structure is 81 ft (24.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 105 29.3 KM
CrossesGuayaba River
Location4 KM East of Maricao
RouteState Highway 105
Coordinates18.18203, -66.95786
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating73 US tons
Inventory rating43.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length81 ft (24.8 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2017)
Projected traffic400 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 105 29.3 KM over Guayaba River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Pr 105 29.3 KM over Guayaba 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 November 2023.

How much traffic does Pr 105 29.3 KM over Guayaba River carry?

About 300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 105 29.3 KM over Guayaba River?

The structure is 81 ft (24.8 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Pr 105 29.3 KM over Guayaba River?

It is owned by the State Highway Agency.