US Bridges

CR-29 over Dawns Ditch

Good

Highlands County, Florida · 2.1MI North of SR-70 · Structure no. 090039

Built
1954
71 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
750
2024 count
Owner
County
County Highway Agency

About this bridge

CR-29 over Dawns Ditch is a concrete culvert carrying CR-29 over Dawns Ditch in Highlands County, Florida. It was built in 1954, so it is 71 years old, older 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 750 vehicles a day, roughly 15% of them trucks, projected to reach 1,301 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesCR-29
CrossesDawns Ditch
Location2.1MI North of SR-70
RouteCounty Highway 29
StateFlorida
Coordinates27.23827, -81.28376
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2024)
Projected traffic1,301 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Dawns Ditch built?

It was built in 1954, making it 71 years old in 2025.

What condition is CR-29 over Dawns Ditch 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 June 2024.

How much traffic does CR-29 over Dawns Ditch carry?

About 750 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is CR-29 over Dawns Ditch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns CR-29 over Dawns Ditch?

It is owned by the County Highway Agency.