US Bridges

SR-29 over Canal 305

Good

Collier County, Florida · 0.8 MI S of CR-846 · Structure no. 030305

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
8,900
2024 count
Owner
State
State Highway Agency

About this bridge

SR-29 over Canal 305 is a concrete culvert carrying SR-29 over Canal 305 in Collier County, Florida. It was built in 1999, so it is 26 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 8,900 vehicles a day, roughly 15% of them trucks, projected to reach 15,442 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesSR-29
CrossesCanal 305
Location0.8 MI S of CR-846
RouteState Highway 29
CountyCollier County
StateFlorida
Coordinates26.41177, -81.40111
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length31 ft (9.6 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,900 (2024)
Projected traffic15,442 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 SR-29 over Canal 305 built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR-29 over Canal 305 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 SR-29 over Canal 305 carry?

About 8,900 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is SR-29 over Canal 305?

The structure is 31 ft (9.6 m) long with a longest span of 11 ft (3.3 m).

Who owns SR-29 over Canal 305?

It is owned by the State Highway Agency.