US Bridges

Pr 164 over Mavilla River

Fair

Corozal Municipio, Puerto Rico · 4 KM Southeast of Corozal · Structure no. 003591

Built
1925
100 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
4,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 164 over Mavilla River is a steel stringer/multi-beam or girder carrying Pr 164 over Mavilla River in Corozal Municipio, Puerto Rico. It was built in 1925, so it is 100 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 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,500 by 2025. The structure is 64 ft (19.5 m) long and 24 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesPr 164
CrossesMavilla River
Location4 KM Southeast of Corozal
RouteState Highway 164
CountyCorozal Municipio
StatePuerto Rico
Coordinates18.31671, -66.28885
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length64 ft (19.5 m)
Longest span33 ft (10 m)
Deck width24 ft (7.3 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2017)
Projected traffic5,500 by 2025
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$307,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 164 over Mavilla River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Pr 164 over Mavilla River 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 2023.

How much traffic does Pr 164 over Mavilla River carry?

About 4,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 164 over Mavilla River?

The structure is 64 ft (19.5 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.

Who owns Pr 164 over Mavilla River?

It is owned by the State Highway Agency.