US Bridges

Pr 150 KM 18.5 over LA Mina River

Fair

Coamo Municipio, Puerto Rico · 4 KM West of Coamo · Structure no. 001391

Built
1951
74 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
2,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 150 KM 18.5 over LA Mina River is a concrete culvert carrying Pr 150 KM 18.5 over LA Mina River in Coamo Municipio, Puerto Rico. It was built in 1951, so it is 74 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,700 by 2025. The structure is 30 ft (9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPr 150 KM 18.5
CrossesLA Mina River
Location4 KM West of Coamo
RouteState Highway 150
CountyCoamo Municipio
StatePuerto Rico
Coordinates18.08282, -66.38859
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2017)
Projected traffic2,700 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 150 KM 18.5 over LA Mina River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Pr 150 KM 18.5 over LA Mina 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 August 2024.

How much traffic does Pr 150 KM 18.5 over LA Mina River carry?

About 2,000 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 150 KM 18.5 over LA Mina River?

The structure is 30 ft (9 m) long with a longest span of 15 ft (4.5 m).

Who owns Pr 150 KM 18.5 over LA Mina River?

It is owned by the State Highway Agency.