US Bridges

Pr 906 over Ditch

Fair

Humacao Municipio, Puerto Rico · 7 KM Northeast of Yabucoa · Structure no. 009061

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
1,200
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 906 over Ditch is a concrete slab carrying Pr 906 over Ditch in Humacao Municipio, Puerto Rico. It was built in 1964, so it is 61 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.

It carries about 1,200 vehicles a day, roughly 5% of them trucks, projected to reach 1,700 by 2025. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPr 906
CrossesDitch
Location7 KM Northeast of Yabucoa
RouteState Highway 906
Coordinates18.0639, -65.81689
Functional classRural Minor 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 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating70.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span29 ft (8.9 m)
Deck width25 ft (7.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2017)
Projected traffic1,700 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$212,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 906 over Ditch built?

It was built in 1964, making it 61 years old in 2025.

What condition is Pr 906 over Ditch 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 2023.

How much traffic does Pr 906 over Ditch carry?

About 1,200 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pr 906 over Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.9 m) and a deck 25 ft wide.

Who owns Pr 906 over Ditch?

It is owned by the State Highway Agency.