US Bridges

CR-29 over Barron River

Fair

Collier County, Florida · 3.0 MI S/O US-41 · Structure no. 030122

Built
1964
61 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete
Length
225 ft
9 main spans
Daily traffic
1,030
2025 count
Owner
County
County Highway Agency

About this bridge

CR-29 over Barron River is a concrete slab carrying CR-29 over Barron River in Collier County, Florida. It was built in 1964, so it is 61 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 1,030 vehicles a day, roughly 5% of them trucks, projected to reach 1,787 by 2045. The structure is 225 ft (68.6 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesCR-29
CrossesBarron River
Location3.0 MI S/O US-41
RouteCounty Highway 29
CountyCollier County
StateFlorida
Coordinates25.87148, -81.38262
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadH 15
Structure length225 ft (68.6 m)
Longest span25 ft (7.6 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,030 (2025)
Projected traffic1,787 by 2045
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Barron River built?

It was built in 1964, making it 61 years old in 2025.

What condition is CR-29 over Barron River 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 January 2025.

How much traffic does CR-29 over Barron River carry?

About 1,030 vehicles per day (2025 count), of which roughly 5% are trucks.

How long is CR-29 over Barron River?

The structure is 225 ft (68.6 m) long with a longest span of 25 ft (7.6 m) and a deck 42 ft wide.

Who owns CR-29 over Barron River?

It is owned by the County Highway Agency.