US Bridges

US 1 (sr 5) over Channel #5

Fair

Monroe County, Florida · Fiesta-Craig Key (mm 71) · Structure no. 900098

Built
1982
43 years old
Condition
Fair
inspected February 2025
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
4,924 ft
37 main spans
Daily traffic
11,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 1 (sr 5) over Channel #5 is a prestressed concrete continuous segmental box girder carrying US 1 (sr 5) over Channel #5 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 11,500 vehicles a day, roughly 12% of them trucks, projected to reach 19,952 by 2042. The structure is 4,924 ft (1,500.8 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesUS 1 (sr 5)
CrossesChannel #5
LocationFiesta-Craig Key (mm 71)
RouteU.S. Route 1
CountyMonroe County
StateFlorida
Coordinates24.83799, -80.77335
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.6 US tons
Inventory rating7.9 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans37
Design loadHL 93
Structure length4,924 ft (1,500.8 m)
Longest span135 ft (41.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2024)
Projected traffic19,952 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$189,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

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

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

What condition is US 1 (sr 5) over Channel #5 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 February 2025.

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

About 11,500 vehicles per day (2024 count), of which roughly 12% are trucks.

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

The structure is 4,924 ft (1,500.8 m) long with a longest span of 135 ft (41.1 m) and a deck 38 ft wide.

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

It is owned by the State Highway Agency.