US Bridges

Off Pr 745 3.7 KM over Emajagua River

Fair

San Lorenzo Municipio, Puerto Rico · 9 KM S W of San Lorenzo · Structure no. 013431

Built
1973
52 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
96 ft
3 main spans
Daily traffic
1,400
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 745 3.7 KM over Emajagua River is a concrete continuous slab carrying Off Pr 745 3.7 KM over Emajagua River in San Lorenzo Municipio, Puerto Rico. It was built in 1973, so it is 52 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 1,400 vehicles a day, roughly 1% of them trucks, projected to reach 2,000 by 2025. The structure is 96 ft (29.3 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOff Pr 745 3.7 KM
CrossesEmajagua River
Location9 KM S W of San Lorenzo
RouteCounty Highway 0
CountySan Lorenzo Municipio
StatePuerto Rico
Coordinates18.12125, -66.01952
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span34 ft (10.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2017)
Projected traffic2,000 by 2025
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$442,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 745 3.7 KM over Emajagua River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Off Pr 745 3.7 KM over Emajagua 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 March 2024.

How much traffic does Off Pr 745 3.7 KM over Emajagua River carry?

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

How long is Off Pr 745 3.7 KM over Emajagua River?

The structure is 96 ft (29.3 m) long with a longest span of 34 ft (10.5 m) and a deck 26 ft wide.

Who owns Off Pr 745 3.7 KM over Emajagua River?

It is owned by the City or Municipal Highway Agency.