US Bridges

Off Pr 704 3.6 KM over Obispo Creek

PoorClosed to traffic

Coamo Municipio, Puerto Rico · 6 KM East of Coamo · Structure no. 019491

Built
1986
39 years old
Condition
Poor
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 704 3.6 KM over Obispo Creek is a concrete culvert carrying Off Pr 704 3.6 KM over Obispo Creek in Coamo Municipio, Puerto Rico. It was built in 1986, so it is 39 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 3 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. Its operating status is: closed to all traffic.

It carries about 1,000 vehicles a day, roughly 2% of them trucks, projected to reach 1,500 by 2025. The structure is 26 ft (8 m) long and 18 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesOff Pr 704 3.6 KM
CrossesObispo Creek
Location6 KM East of Coamo
RouteCounty Highway 0
Coordinates18.08645, -66.29167
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (8 m)
Longest span9 ft (2.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,500 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed4.3 mi (7 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 704 3.6 KM over Obispo Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Off Pr 704 3.6 KM over Obispo Creek 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 June 2024.

How much traffic does Off Pr 704 3.6 KM over Obispo Creek carry?

About 1,000 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off Pr 704 3.6 KM over Obispo Creek?

The structure is 26 ft (8 m) long with a longest span of 9 ft (2.6 m) and a deck 18 ft wide.

Who owns Off Pr 704 3.6 KM over Obispo Creek?

It is owned by the City or Municipal Highway Agency.