US Bridges

Pr 30 KM 27.6 over Mariana Creek

Fair

Humacao Municipio, Puerto Rico · 1 KM Southwest of Humacao · Structure no. 012471

Built
1976
49 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
28,700
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 30 KM 27.6 over Mariana Creek is a prestressed concrete stringer/multi-beam or girder carrying Pr 30 KM 27.6 over Mariana Creek in Humacao Municipio, Puerto Rico. It was built in 1976, so it is 49 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 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 28,700 vehicles a day, roughly 4% of them trucks, projected to reach 43,300 by 2025. The structure is 166 ft (50.7 m) long and 101 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesPr 30 KM 27.6
CrossesMariana Creek
Location1 KM Southwest of Humacao
RouteState Highway 30
CountyHumacao Municipio
StatePuerto Rico
Coordinates18.14118, -65.83159
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length166 ft (50.7 m)
Longest span61 ft (18.7 m)
Deck width101 ft (30.7 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,700 (2017)
Projected traffic43,300 by 2025
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$431,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 30 KM 27.6 over Mariana Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Pr 30 KM 27.6 over Mariana 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 December 2023.

How much traffic does Pr 30 KM 27.6 over Mariana Creek carry?

About 28,700 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 30 KM 27.6 over Mariana Creek?

The structure is 166 ft (50.7 m) long with a longest span of 61 ft (18.7 m) and a deck 101 ft wide.

Who owns Pr 30 KM 27.6 over Mariana Creek?

It is owned by the State Highway Agency.