US Bridges

Pr 917 over Serrana Creek

Fair

Las Piedras Municipio, Puerto Rico · 5 KM West of Las Piedras · Structure no. 006051

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,400
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 917 over Serrana Creek is a concrete culvert carrying Pr 917 over Serrana Creek in Las Piedras Municipio, Puerto Rico. It was built in 1950, so it is 75 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 1,400 vehicles a day, roughly 4% of them trucks, projected to reach 2,000 by 2025. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesPr 917
CrossesSerrana Creek
Location5 KM West of Las Piedras
RouteState Highway 917
CountyLas Piedras Municipio
StatePuerto Rico
Coordinates18.17344, -65.9051
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2017)
Projected traffic2,000 by 2025
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$67,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 917 over Serrana Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pr 917 over Serrana Creek 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 March 2023.

How much traffic does Pr 917 over Serrana Creek carry?

About 1,400 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 917 over Serrana Creek?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (4 m).

Who owns Pr 917 over Serrana Creek?

It is owned by the State Highway Agency.