US Bridges

Pr 974 over Daguao River

Fair

Ceiba Municipio, Puerto Rico · 4 KM South of Ceiba · Structure no. 006711

Built
1953
72 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 974 over Daguao River is a concrete culvert carrying Pr 974 over Daguao River in Ceiba Municipio, Puerto Rico. It was built in 1953, so it is 72 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.

It carries about 600 vehicles a day, roughly 2% of them trucks, projected to reach 882 by 2025. The structure is 23 ft (6.9 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesPr 974
CrossesDaguao River
Location4 KM South of Ceiba
RouteState Highway 974
CountyCeiba Municipio
StatePuerto Rico
Coordinates18.23709, -65.66429
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.6 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span6 ft (1.8 m)
Deck width32 ft (9.7 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2017)
Projected traffic882 by 2025
Trucks2%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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$32,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 974 over Daguao River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Pr 974 over Daguao 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 974 over Daguao River carry?

About 600 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Pr 974 over Daguao River?

The structure is 23 ft (6.9 m) long with a longest span of 6 ft (1.8 m) and a deck 32 ft wide.

Who owns Pr 974 over Daguao River?

It is owned by the State Highway Agency.