US Bridges

Pr 173 11.6 KM over Arroyata River

Fair

Cidra Municipio, Puerto Rico · 2 KM West of Cidra · Structure no. 003891

Built
1930
95 years old, rebuilt 1982
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
7,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 173 11.6 KM over Arroyata River is a steel stringer/multi-beam or girder carrying Pr 173 11.6 KM over Arroyata River in Cidra Municipio, Puerto Rico. It was built in 1930 and reconstructed in 1982, so it is 95 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 7,000 vehicles a day, roughly 5% of them trucks, projected to reach 10,100 by 2025. The structure is 30 ft (9.1 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesPr 173 11.6 KM
CrossesArroyata River
Location2 KM West of Cidra
RouteState Highway 173
CountyCidra Municipio
StatePuerto Rico
Coordinates18.173, -66.16851
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
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.8 US tons
Inventory rating45.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span27 ft (8.1 m)
Deck width40 ft (12.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2017)
Projected traffic10,100 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$22,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 173 11.6 KM over Arroyata River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1982.

What condition is Pr 173 11.6 KM over Arroyata 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 2024.

How much traffic does Pr 173 11.6 KM over Arroyata River carry?

About 7,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 173 11.6 KM over Arroyata River?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.1 m) and a deck 40 ft wide.

Who owns Pr 173 11.6 KM over Arroyata River?

It is owned by the State Highway Agency.