US Bridges

CR-713 over Danforth Creek

Good

Martin County, Florida · 0.2MI South of CR-714 · Structure no. 894009

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
3,000
2023 count
Owner
County
County Highway Agency

About this bridge

CR-713 over Danforth Creek is a concrete culvert carrying CR-713 over Danforth Creek in Martin 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 3,000 vehicles a day, roughly 3% of them trucks, projected to reach 3,600 by 2042. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCR-713
CrossesDanforth Creek
Location0.2MI South of CR-714
RouteCounty Highway 713
CountyMartin County
StateFlorida
Coordinates27.15744, -80.29647
Functional classUrban Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating110.1 US tons
Inventory rating62.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,600 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-713 over Danforth Creek built?

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

What condition is CR-713 over Danforth Creek 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 November 2023.

How much traffic does CR-713 over Danforth Creek carry?

About 3,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR-713 over Danforth Creek?

The structure is 28 ft (8.4 m) long with a longest span of 8 ft (2.4 m).

Who owns CR-713 over Danforth Creek?

It is owned by the County Highway Agency.