US Bridges

Pr 30 29.6 KM over Dirt Road & Waterway

Poor

Humacao Municipio, Puerto Rico · 3 KM S E Humacao · Structure no. 022341

Built
1995
30 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
256 ft
3 main spans
Daily traffic
41,100
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 30 29.6 KM over Dirt Road & Waterway is a prestressed concrete stringer/multi-beam or girder carrying Pr 30 29.6 KM over Dirt Road & Waterway in Humacao Municipio, Puerto Rico. It was built in 1995, so it is 30 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 41,100 vehicles a day, roughly 1% of them trucks, projected to reach 62,100 by 2025. The structure is 256 ft (78.1 m) long and 100 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPr 30 29.6 KM
CrossesDirt Road & Waterway
Location3 KM S E Humacao
RouteState Highway 30
Coordinates18.12843, -65.81928
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.5 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length256 ft (78.1 m)
Longest span81 ft (24.8 m)
Deck width100 ft (30.4 m)
Roadway width87 ft (26.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,100 (2017)
Projected traffic62,100 by 2025
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 30 29.6 KM over Dirt Road & Waterway built?

It was built in 1995, making it 30 years old in 2025.

What condition is Pr 30 29.6 KM over Dirt Road & Waterway in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Pr 30 29.6 KM over Dirt Road & Waterway carry?

About 41,100 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Pr 30 29.6 KM over Dirt Road & Waterway?

The structure is 256 ft (78.1 m) long with a longest span of 81 ft (24.8 m) and a deck 100 ft wide.

Who owns Pr 30 29.6 KM over Dirt Road & Waterway?

It is owned by the State Highway Agency.