US Bridges

SR-710 Beeline HWY over Drainage Canal

Fair

Martin County, Florida · 5.8 Miles West of SR-76 · Structure no. 890106

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
8,800
2022 count
Owner
State
State Highway Agency

About this bridge

SR-710 Beeline HWY over Drainage Canal is a concrete culvert carrying SR-710 Beeline HWY over Drainage Canal in Martin County, Florida. It was built in 1975, so it is 50 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 8,800 vehicles a day, roughly 32% of them trucks, projected to reach 15,268 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesSR-710 Beeline HWY
CrossesDrainage Canal
Location5.8 Miles West of SR-76
RouteState Highway 710
StateFlorida
Coordinates27.06226, -80.5313
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 inspectionJuly 2023
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 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic15,268 by 2044
Trucks32%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed13 mi (21 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-710 Beeline HWY over Drainage Canal built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR-710 Beeline HWY 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 July 2023.

How much traffic does SR-710 Beeline HWY over Drainage Canal carry?

About 8,800 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is SR-710 Beeline HWY over Drainage Canal?

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

Who owns SR-710 Beeline HWY over Drainage Canal?

It is owned by the State Highway Agency.