US Bridges

Pr 1 41.6 KM over Depression

Fair

Caguas Municipio, Puerto Rico · 6 KM South West of Caguas · Structure no. 013381

Built
1870
155 years old, rebuilt 1945
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
4,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 1 41.6 KM over Depression is a concrete continuous slab carrying Pr 1 41.6 KM over Depression in Caguas Municipio, Puerto Rico. It was built in 1870 and reconstructed in 1945, so it is 155 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 4,100 vehicles a day, roughly 5% of them trucks, projected to reach 7,400 by 2025. The structure is 38 ft (11.5 m) long and 25 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

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CarriesPr 1 41.6 KM
CrossesDepression
Location6 KM South West of Caguas
RouteState Highway 1
CountyCaguas Municipio
StatePuerto Rico
Coordinates18.1874, -66.06226
Functional classUrban 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
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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating110.1 US tons
Inventory rating93.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span14 ft (4.3 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2017)
Projected traffic7,400 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 1 41.6 KM over Depression built?

It was built in 1870, making it 155 years old in 2025. It was reconstructed in 1945.

What condition is Pr 1 41.6 KM over Depression 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 January 2024.

How much traffic does Pr 1 41.6 KM over Depression carry?

About 4,100 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 1 41.6 KM over Depression?

The structure is 38 ft (11.5 m) long with a longest span of 14 ft (4.3 m) and a deck 25 ft wide.

Who owns Pr 1 41.6 KM over Depression?

It is owned by the State Highway Agency.