US Bridges

Pr 623 over Tanana River

Good

Arecibo Municipio, Puerto Rico · 9 KM South of Arecibo · Structure no. E11991

Built
1970
55 years old
Condition
Good
inspected August 2023
Type
Other
Other
Length
95 ft
1 main span
Daily traffic
1,501
2010 count
Owner
State
State Highway Agency

About this bridge

Pr 623 over Tanana River is a other other carrying Pr 623 over Tanana River in Arecibo Municipio, Puerto Rico. It was built in 1970, so it is 55 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,501 vehicles a day, roughly 4% of them trucks, projected to reach 2,318 by 2027. The structure is 95 ft (29 m) long and 22 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesPr 623
CrossesTanana River
Location9 KM South of Arecibo
RouteState Highway 623
CountyArecibo Municipio
StatePuerto Rico
Coordinates18.38417, -66.72972
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating0 US tons

Structure

Structure typeOther
MaterialOther
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span36 ft (11 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,501 (2010)
Projected traffic2,318 by 2027
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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$692,000 (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pr 623 over Tanana River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pr 623 over Tanana River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Pr 623 over Tanana River carry?

About 1,501 vehicles per day (2010 count), of which roughly 4% are trucks.

How long is Pr 623 over Tanana River?

The structure is 95 ft (29 m) long with a longest span of 36 ft (11 m) and a deck 22 ft wide.

Who owns Pr 623 over Tanana River?

It is owned by the State Highway Agency.