US Bridges

Off Pr 111 KM 47.1 over Tanama River

PoorPosted for load

Utuado Municipio, Puerto Rico · 0.6 KM of Pr 111 at KM 14 · Structure no. 016841

Built
1948
77 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
4,700
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 111 KM 47.1 over Tanama River is a concrete continuous slab carrying Off Pr 111 KM 47.1 over Tanama River in Utuado Municipio, Puerto Rico. It was built in 1948, so it is 77 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. Its operating status is: posted for load restriction.

It carries about 4,700 vehicles a day, roughly 2% of them trucks, projected to reach 6,100 by 2025. The structure is 27 ft (8.3 m) long and 13 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesOff Pr 111 KM 47.1
CrossesTanama River
Location0.6 KM of Pr 111 at KM 14
RouteCounty Highway 0
CountyUtuado Municipio
StatePuerto Rico
Coordinates18.29399, -66.7826
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating20.9 US tons
Inventory rating12.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length27 ft (8.3 m)
Longest span13 ft (3.9 m)
Deck width13 ft (4.1 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2017)
Projected traffic6,100 by 2025
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$332,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 111 KM 47.1 over Tanama River built?

It was built in 1948, making it 77 years old in 2025.

What condition is Off Pr 111 KM 47.1 over Tanama 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 April 2024.

How much traffic does Off Pr 111 KM 47.1 over Tanama River carry?

About 4,700 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Off Pr 111 KM 47.1 over Tanama River?

The structure is 27 ft (8.3 m) long with a longest span of 13 ft (3.9 m) and a deck 13 ft wide.

Who owns Off Pr 111 KM 47.1 over Tanama River?

It is owned by the City or Municipal Highway Agency.