US Bridges

CR-29 over Chokoloskee Bay

Good

Collier County, Florida · 5.4 MI S/O US-41 · Structure no. 034179

Built
2018
7 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
3 main spans
Daily traffic
2,500
2023 count
Owner
County
County Highway Agency

About this bridge

CR-29 over Chokoloskee Bay is a prestressed concrete stringer/multi-beam or girder carrying CR-29 over Chokoloskee Bay in Collier County, Florida. It was built in 2018, so it is 7 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 5,500 by 2042. The structure is 225 ft (68.6 m) long and 52 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCR-29
CrossesChokoloskee Bay
Location5.4 MI S/O US-41
RouteCounty Highway 29
CountyCollier County
StateFlorida
Coordinates25.83931, -81.38158
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length225 ft (68.6 m)
Longest span75 ft (22.9 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic5,500 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR-29 over Chokoloskee Bay built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR-29 over Chokoloskee Bay 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 September 2023.

How much traffic does CR-29 over Chokoloskee Bay carry?

About 2,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is CR-29 over Chokoloskee Bay?

The structure is 225 ft (68.6 m) long with a longest span of 75 ft (22.9 m) and a deck 52 ft wide.

Who owns CR-29 over Chokoloskee Bay?

It is owned by the County Highway Agency.