US Bridges

Off Pr 128 KM 31.3 over Unnamed Creek

Fair

Maricao Municipio, Puerto Rico · 11.18 KM S.E. of Maricao · Structure no. 029911

Built
2013
12 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
500
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 128 KM 31.3 over Unnamed Creek is a steel stringer/multi-beam or girder carrying Off Pr 128 KM 31.3 over Unnamed Creek in Maricao Municipio, Puerto Rico. It was built in 2013, so it is 12 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 5 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2025. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOff Pr 128 KM 31.3
CrossesUnnamed Creek
Location11.18 KM S.E. of Maricao
RouteCounty Highway 0
Coordinates18.17511, -66.88205
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.7 US tons
Inventory rating35.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2017)
Projected traffic600 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Off Pr 128 KM 31.3 over Unnamed Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Off Pr 128 KM 31.3 over Unnamed 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 February 2024.

How much traffic does Off Pr 128 KM 31.3 over Unnamed Creek carry?

About 500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off Pr 128 KM 31.3 over Unnamed Creek?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Off Pr 128 KM 31.3 over Unnamed Creek?

It is owned by the City or Municipal Highway Agency.