US Bridges

I-75 SB over Wildlife Crossing NO.15

Good

Collier County, Florida · 4.1MI E of SR-29 (MM76) · Structure no. 030244

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
27,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 SB over Wildlife Crossing NO.15 is a prestressed concrete slab carrying I-75 SB over Wildlife Crossing NO.15 in Collier County, Florida. It was built in 1991, so it is 34 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 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 27,500 vehicles a day, roughly 18% of them trucks, projected to reach 47,712 by 2044. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-75 SB
CrossesWildlife Crossing NO.15
Location4.1MI E of SR-29 (MM76)
RouteInterstate 75
CountyCollier County
StateFlorida
Coordinates26.1552, -81.27926
Functional classRural Principal Arterial - Interstate

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span40 ft (12.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2024)
Projected traffic47,712 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate 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 I-75 SB over Wildlife Crossing NO.15 built?

It was built in 1991, making it 34 years old in 2025.

What condition is I-75 SB over Wildlife Crossing NO.15 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 March 2024.

How much traffic does I-75 SB over Wildlife Crossing NO.15 carry?

About 27,500 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-75 SB over Wildlife Crossing NO.15?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.3 m) and a deck 43 ft wide.

Who owns I-75 SB over Wildlife Crossing NO.15?

It is owned by the State Highway Agency.