US Bridges

Pr 18 over Los Muertos Creek

Good

San Juan Municipio, Puerto Rico · Ramp from Hato Rey to S J · Structure no. 015371

Built
1975
50 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
107 ft
2 main spans
Daily traffic
187,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 18 over Los Muertos Creek is a concrete culvert carrying Pr 18 over Los Muertos Creek in San Juan Municipio, Puerto Rico. It was built in 1975, so it is 50 years old, younger than the Puerto Rico average of 51.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 187,900 vehicles a day, roughly 5% of them trucks, projected to reach 209,600 by 2025. The structure is 107 ft (32.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPr 18
CrossesLos Muertos Creek
LocationRamp from Hato Rey to S J
RouteInterstate 18
CountySan Juan Municipio
StatePuerto Rico
Coordinates18.4285, -66.07418
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length107 ft (32.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic187,900 (2017)
Projected traffic209,600 by 2025
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$519,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 18 over Los Muertos Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Pr 18 over Los Muertos Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Pr 18 over Los Muertos Creek carry?

About 187,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 18 over Los Muertos Creek?

The structure is 107 ft (32.7 m) long with a longest span of 10 ft (3 m).

Who owns Pr 18 over Los Muertos Creek?

It is owned by the State Highway Agency.