US Bridges

Pr 102 28.6 KM over Mercado Creek

Poor

San German Municipio, Puerto Rico · 3.4 KM West of San German · Structure no. 006471

Built
1952
73 years old
Condition
Poor
inspected August 2024
Type
Culvert
Concrete
Length
59 ft
4 main spans
Daily traffic
14,600
2017 count
Owner
State
State Highway Agency

About this bridge

Pr 102 28.6 KM over Mercado Creek is a concrete culvert carrying Pr 102 28.6 KM over Mercado Creek in San German Municipio, Puerto Rico. It was built in 1952, so it is 73 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, posting recommended but not legally implemented.

It carries about 14,600 vehicles a day, roughly 3% of them trucks, projected to reach 19,000 by 2025. The structure is 59 ft (17.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPr 102 28.6 KM
CrossesMercado Creek
Location3.4 KM West of San German
RouteState Highway 102
Coordinates18.0855, -67.07232
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length59 ft (17.9 m)
Longest span15 ft (4.6 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2017)
Projected traffic19,000 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$432,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pr 102 28.6 KM over Mercado Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Pr 102 28.6 KM over Mercado Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Pr 102 28.6 KM over Mercado Creek carry?

About 14,600 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Pr 102 28.6 KM over Mercado Creek?

The structure is 59 ft (17.9 m) long with a longest span of 15 ft (4.6 m) and a deck 32 ft wide.

Who owns Pr 102 28.6 KM over Mercado Creek?

It is owned by the State Highway Agency.