US Bridges

SR710 Warfield Blv over Drainage Canal

Fair

Martin County, Florida · 8.9 MI West of SR 76 · Structure no. 890090

Built
1958
67 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
7,400
2025 count
Owner
State
State Highway Agency

About this bridge

SR710 Warfield Blv over Drainage Canal is a concrete culvert carrying SR710 Warfield Blv over Drainage Canal in Martin County, Florida. It was built in 1958, so it is 67 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 7,400 vehicles a day, roughly 19% of them trucks, projected to reach 12,839 by 2045. The structure is 23 ft (7 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesSR710 Warfield Blv
CrossesDrainage Canal
Location8.9 MI West of SR 76
RouteState Highway 710
StateFlorida
Coordinates27.08894, -80.57156
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.1 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2025)
Projected traffic12,839 by 2045
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 SR710 Warfield Blv over Drainage Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR710 Warfield Blv over Drainage Canal 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 SR710 Warfield Blv over Drainage Canal carry?

About 7,400 vehicles per day (2025 count), of which roughly 19% are trucks.

How long is SR710 Warfield Blv over Drainage Canal?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.6 m).

Who owns SR710 Warfield Blv over Drainage Canal?

It is owned by the State Highway Agency.