US Bridges

Pr 181 over Emajagua Creek

FairPosted for load

San Lorenzo Municipio, Puerto Rico · 12 KM South San Lorenzo · Structure no. 004181

Built
1939
86 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
6,300
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 181 over Emajagua Creek is a steel stringer/multi-beam or girder carrying Pr 181 over Emajagua Creek in San Lorenzo Municipio, Puerto Rico. It was built in 1939, so it is 86 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. Its operating status is: posted for load restriction.

It carries about 6,300 vehicles a day, roughly 4% of them trucks, projected to reach 8,600 by 2025. The structure is 95 ft (28.9 m) long and 23 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesPr 181
CrossesEmajagua Creek
Location12 KM South San Lorenzo
RouteState Highway 181
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.12083, -65.98778
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length95 ft (28.9 m)
Longest span60 ft (18.3 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2017)
Projected traffic8,600 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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$62,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 181 over Emajagua Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is Pr 181 over Emajagua 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 Emajagua Creek carry?

About 6,300 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 181 over Emajagua Creek?

The structure is 95 ft (28.9 m) long with a longest span of 60 ft (18.3 m) and a deck 23 ft wide.

Who owns Pr 181 over Emajagua Creek?

It is owned by the State Highway Agency.