US Bridges

Off Pr 110 over Unknown Creek

Fair

Moca Municipio, Puerto Rico · Off Pr 110 at Km. 10.60 · Structure no. 024681

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
600
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 110 over Unknown Creek is a steel stringer/multi-beam or girder carrying Off Pr 110 over Unknown Creek in Moca Municipio, Puerto Rico. It was built in 1996, so it is 29 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 700 by 2025. The structure is 40 ft (12.1 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOff Pr 110
CrossesUnknown Creek
LocationOff Pr 110 at Km. 10.60
RouteCounty Highway 0
CountyMoca Municipio
StatePuerto Rico
Coordinates18.38667, -67.10833
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span40 ft (12.1 m)
Deck width38 ft (11.5 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2005)
Projected traffic700 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 110 over Unknown Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Off Pr 110 over Unknown 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 November 2024.

How much traffic does Off Pr 110 over Unknown Creek carry?

About 600 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Off Pr 110 over Unknown Creek?

The structure is 40 ft (12.1 m) long with a longest span of 40 ft (12.1 m) and a deck 38 ft wide.

Who owns Off Pr 110 over Unknown Creek?

It is owned by the City or Municipal Highway Agency.