US Bridges

PR-122 over Guanajibo River

Good

San German Municipio, Puerto Rico · 0.84 K. Ne. of San German · Structure no. 029671

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
350 ft
4 main spans
Daily traffic
25,400
2017 count
Owner
State
State Highway Agency

About this bridge

PR-122 over Guanajibo River is a prestressed concrete stringer/multi-beam or girder carrying PR-122 over Guanajibo River in San German Municipio, Puerto Rico. It was built in 2014, so it is 11 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,400 vehicles a day, roughly 2% of them trucks, projected to reach 35,100 by 2025. The structure is 350 ft (106.7 m) long and 85 ft wide.

CarriesPR-122
CrossesGuanajibo River
Location0.84 K. Ne. of San German
RouteState Highway 122
Coordinates18.08302, -67.03322
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length350 ft (106.7 m)
Longest span91 ft (27.6 m)
Deck width85 ft (25.8 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,400 (2017)
Projected traffic35,100 by 2025
Trucks2%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 PR-122 over Guanajibo River built?

It was built in 2014, making it 11 years old in 2025.

What condition is PR-122 over Guanajibo River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does PR-122 over Guanajibo River carry?

About 25,400 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is PR-122 over Guanajibo River?

The structure is 350 ft (106.7 m) long with a longest span of 91 ft (27.6 m) and a deck 85 ft wide.

Who owns PR-122 over Guanajibo River?

It is owned by the State Highway Agency.