US Bridges

Off Pr 759 8.9 KM over Grande De Maunabo River

Poor

Maunabo Municipio, Puerto Rico · 8 KM Northwest of Maunabo · Structure no. 017401

Built
1965
60 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
2,600
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 759 8.9 KM over Grande De Maunabo River is a steel stringer/multi-beam or girder carrying Off Pr 759 8.9 KM over Grande De Maunabo River in Maunabo Municipio, Puerto Rico. It was built in 1965, so it is 60 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 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 2,600 vehicles a day, roughly 2% of them trucks, projected to reach 3,700 by 2025. The structure is 59 ft (18 m) long and 23 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOff Pr 759 8.9 KM
CrossesGrande De Maunabo River
Location8 KM Northwest of Maunabo
RouteCounty Highway 0
Coordinates18.04174, -65.96451
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating72.4 US tons
Inventory rating39.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length59 ft (18 m)
Longest span59 ft (18 m)
Deck width23 ft (6.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2017)
Projected traffic3,700 by 2025
Trucks2%
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$307,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 759 8.9 KM over Grande De Maunabo River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Off Pr 759 8.9 KM over Grande De Maunabo River 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 September 2024.

How much traffic does Off Pr 759 8.9 KM over Grande De Maunabo River carry?

About 2,600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off Pr 759 8.9 KM over Grande De Maunabo River?

The structure is 59 ft (18 m) long with a longest span of 59 ft (18 m) and a deck 23 ft wide.

Who owns Off Pr 759 8.9 KM over Grande De Maunabo River?

It is owned by the City or Municipal Highway Agency.