US Bridges

Pr 6685 over Grande De Manati River

FairPosted for load

Ciales Municipio, Puerto Rico · 3 KM North of Ciales · Structure no. 003211

Built
1905
120 years old
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
269 ft
1 main span
Daily traffic
2,000
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 6685 over Grande De Manati River is a steel truss - thru carrying Pr 6685 over Grande De Manati River in Ciales Municipio, Puerto Rico. It was built in 1905, so it is 120 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 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 2,000 vehicles a day, roughly 4% of them trucks, projected to reach 2,900 by 2020. The structure is 269 ft (82 m) long and 14 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesPr 6685
CrossesGrande De Manati River
Location3 KM North of Ciales
RouteState Highway 6685
CountyCiales Municipio
StatePuerto Rico
Coordinates18.35868, -66.47867
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating14.7 US tons
Inventory rating9.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length269 ft (82 m)
Longest span264 ft (80.5 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deck8 ft (2.5 m)

Traffic and service

Average daily traffic2,000 (2017)
Projected traffic2,900 by 2020
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 6685 over Grande De Manati River built?

It was built in 1905, making it 120 years old in 2025.

What condition is Pr 6685 over Grande De Manati 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 August 2024.

How much traffic does Pr 6685 over Grande De Manati River carry?

About 2,000 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Pr 6685 over Grande De Manati River?

The structure is 269 ft (82 m) long with a longest span of 264 ft (80.5 m) and a deck 14 ft wide.

Who owns Pr 6685 over Grande De Manati River?

It is owned by the State Highway Agency.