US Bridges

Pr 923 4.4 KM over Humacao River

Fair

Humacao Municipio, Puerto Rico · 3 KM Southeast of Humacao · Structure no. 019311

Built
1990
35 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
345 ft
4 main spans
Daily traffic
3,900
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 923 4.4 KM over Humacao River is a prestressed concrete stringer/multi-beam or girder carrying Pr 923 4.4 KM over Humacao River in Humacao Municipio, Puerto Rico. It was built in 1990, so it is 35 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 3,900 vehicles a day, roughly 5% of them trucks, projected to reach 5,100 by 2025. The structure is 345 ft (105.2 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPr 923 4.4 KM
CrossesHumacao River
Location3 KM Southeast of Humacao
RouteState Highway 923
Coordinates18.13312, -65.80134
Functional classUrban 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length345 ft (105.2 m)
Longest span88 ft (26.8 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2017)
Projected traffic5,100 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$217,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 923 4.4 KM over Humacao River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Pr 923 4.4 KM over Humacao 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 November 2023.

How much traffic does Pr 923 4.4 KM over Humacao River carry?

About 3,900 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 923 4.4 KM over Humacao River?

The structure is 345 ft (105.2 m) long with a longest span of 88 ft (26.8 m) and a deck 34 ft wide.

Who owns Pr 923 4.4 KM over Humacao River?

It is owned by the State Highway Agency.