US Bridges

Pr 181 over Salva Tierra Creek

Fair

San Lorenzo Municipio, Puerto Rico · 4 KM South of San Lorenzo · Structure no. 004221

Built
1927
98 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
2,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 over Salva Tierra Creek is a steel stringer/multi-beam or girder carrying Pr 181 over Salva Tierra Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1927, so it is 98 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 2,600 vehicles a day, roughly 4% of them trucks, projected to reach 3,500 by 2025. The structure is 36 ft (10.9 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesPr 181
CrossesSalva Tierra Creek
Location4 KM South of San Lorenzo
RouteState Highway 181
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.17146, -65.97705
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.2 US tons
Inventory rating29.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span32 ft (9.7 m)
Deck width24 ft (7.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2017)
Projected traffic3,500 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$233,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 over Salva Tierra Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Pr 181 over Salva Tierra 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 August 2023.

How much traffic does Pr 181 over Salva Tierra Creek carry?

About 2,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 181 over Salva Tierra Creek?

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.7 m) and a deck 24 ft wide.

Who owns Pr 181 over Salva Tierra Creek?

It is owned by the State Highway Agency.