US Bridges

US 1 (sr 5) over Park Channel

Fair

Monroe County, Florida · Sugarloaf Key (mm 18.6) · Structure no. 900112

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
821 ft
10 main spans
Daily traffic
17,600
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 (sr 5) over Park Channel is a prestressed concrete stringer/multi-beam or girder carrying US 1 (sr 5) over Park Channel in Monroe County, Florida. It was built in 1982, so it is 43 years old, older than the Florida average of 41.3 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 17,600 vehicles a day, roughly 12% of them trucks, projected to reach 30,536 by 2044. The structure is 821 ft (250.2 m) long and 47 ft wide. If it were closed, the detour would be 99.4 mi (160 km).

Location

Open in Google Maps
CarriesUS 1 (sr 5)
CrossesPark Channel
LocationSugarloaf Key (mm 18.6)
RouteU.S. Route 1
CountyMonroe County
StateFlorida
Coordinates24.65466, -81.54104
Functional classUrban Other Principal Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.5 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length821 ft (250.2 m)
Longest span82 ft (25 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,600 (2024)
Projected traffic30,536 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 (sr 5) over Park Channel built?

It was built in 1982, making it 43 years old in 2025.

What condition is US 1 (sr 5) over Park Channel 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 June 2024.

How much traffic does US 1 (sr 5) over Park Channel carry?

About 17,600 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 1 (sr 5) over Park Channel?

The structure is 821 ft (250.2 m) long with a longest span of 82 ft (25 m) and a deck 47 ft wide.

Who owns US 1 (sr 5) over Park Channel?

It is owned by the State Highway Agency.