US Bridges

US 1 (sr 5) over Second Deer Crossing

Good

Monroe County, Florida · Big Pine Key (mm 32.4) · Structure no. 900138

Built
2002
23 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
13,200
2025 count
Owner
State
State Highway Agency

About this bridge

US 1 (sr 5) over Second Deer Crossing is a concrete slab carrying US 1 (sr 5) over Second Deer Crossing in Monroe County, Florida. It was built in 2002, so it is 23 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,200 vehicles a day, roughly 14% of them trucks, projected to reach 22,902 by 2045. The structure is 37 ft (11.4 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesUS 1 (sr 5)
CrossesSecond Deer Crossing
LocationBig Pine Key (mm 32.4)
RouteU.S. Route 1
StateFlorida
Coordinates24.65345, -81.33516
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length37 ft (11.4 m)
Longest span37 ft (11.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,200 (2025)
Projected traffic22,902 by 2045
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 (sr 5) over Second Deer Crossing built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 1 (sr 5) over Second Deer Crossing 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 January 2025.

How much traffic does US 1 (sr 5) over Second Deer Crossing carry?

About 13,200 vehicles per day (2025 count), of which roughly 14% are trucks.

How long is US 1 (sr 5) over Second Deer Crossing?

The structure is 37 ft (11.4 m) long with a longest span of 37 ft (11.4 m) and a deck 47 ft wide.

Who owns US 1 (sr 5) over Second Deer Crossing?

It is owned by the State Highway Agency.