US Bridges

Pr 924 5.2 KM over Mambiche Blanco Creek

FairPosted for load

Humacao Municipio, Puerto Rico · 3 Miles North of Humacao · Structure no. 012881

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
46 ft
1 main span
Daily traffic
7,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 924 5.2 KM over Mambiche Blanco Creek is a concrete tee beam carrying Pr 924 5.2 KM over Mambiche Blanco Creek in Humacao Municipio, Puerto Rico. It was built in 1971, so it is 54 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 5 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 7,600 vehicles a day, roughly 4% of them trucks, projected to reach 10,900 by 2025. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesPr 924 5.2 KM
CrossesMambiche Blanco Creek
Location3 Miles North of Humacao
RouteState Highway 924
CountyHumacao Municipio
StatePuerto Rico
Coordinates18.19131, -65.81509
Functional classUrban 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating52.8 US tons
Inventory rating31.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span43 ft (13 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2017)
Projected traffic10,900 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 with deck rehabilitation or replacement
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 924 5.2 KM over Mambiche Blanco Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Pr 924 5.2 KM over Mambiche Blanco Creek 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 July 2024.

How much traffic does Pr 924 5.2 KM over Mambiche Blanco Creek carry?

About 7,600 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 924 5.2 KM over Mambiche Blanco Creek?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13 m) and a deck 28 ft wide.

Who owns Pr 924 5.2 KM over Mambiche Blanco Creek?

It is owned by the State Highway Agency.