US Bridges

Off Pr 361 at 4.2 over Cain River

FairPosted for load

San German Municipio, Puerto Rico · 4 Km. North of San German · Structure no. 024931

Built
1993
32 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
2 main spans
Daily traffic
400
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Off Pr 361 at 4.2 over Cain River is a steel stringer/multi-beam or girder carrying Off Pr 361 at 4.2 over Cain River in San German Municipio, Puerto Rico. It was built in 1993, so it is 32 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. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2025. The structure is 66 ft (20.2 m) long and 18 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesOff Pr 361 at 4.2
CrossesCain River
Location4 Km. North of San German
CountySan German Municipio
StatePuerto Rico
Coordinates18.12032, -67.02138
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
Deck7 GoodSome minor problems.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating19.5 US tons
Inventory rating11.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length66 ft (20.2 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2017)
Projected traffic600 by 2025
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Off Pr 361 at 4.2 over Cain River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Off Pr 361 at 4.2 over Cain 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 March 2023.

How much traffic does Off Pr 361 at 4.2 over Cain River carry?

About 400 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Off Pr 361 at 4.2 over Cain River?

The structure is 66 ft (20.2 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns Off Pr 361 at 4.2 over Cain River?

It is owned by the City or Municipal Highway Agency.