US Bridges

Local Road over San Antonio River

Fair

Maricao Municipio, Puerto Rico · 5 KM West of Maricao · Structure no. 015301

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
2 main spans
Daily traffic
400
2005 count
Owner
City
City or Municipal Highway Agency

About this bridge

Local Road over San Antonio River is a steel stringer/multi-beam or girder carrying Local Road over San Antonio River in Maricao Municipio, Puerto Rico. It was built in 1960, so it is 65 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 400 vehicles a day, roughly 4% of them trucks, projected to reach 700 by 2020. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLocal Road
CrossesSan Antonio River
Location5 KM West of Maricao
RouteCounty Highway 0
Coordinates18.18919, -67.00001
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating61.5 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span28 ft (8.6 m)
Deck width26 ft (8 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2005)
Projected traffic700 by 2020
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Local Road over San Antonio River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Local Road over San Antonio 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 July 2023.

How much traffic does Local Road over San Antonio River carry?

About 400 vehicles per day (2005 count), of which roughly 4% are trucks.

How long is Local Road over San Antonio River?

The structure is 62 ft (18.9 m) long with a longest span of 28 ft (8.6 m) and a deck 26 ft wide.

Who owns Local Road over San Antonio River?

It is owned by the City or Municipal Highway Agency.