US Bridges

SR-76 (kanner Hwy) over Drainage Canal

Good

Martin County, Florida · 1.5MI East of Indiantown · Structure no. 890141

Built
1989
36 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
4,400
2023 count
Owner
State
State Highway Agency

About this bridge

SR-76 (kanner Hwy) over Drainage Canal is a prestressed concrete stringer/multi-beam or girder carrying SR-76 (kanner Hwy) over Drainage Canal in Martin County, Florida. It was built in 1989, so it is 36 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,400 vehicles a day, roughly 16% of them trucks, projected to reach 7,634 by 2042. The structure is 100 ft (30.5 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-76 (kanner Hwy)
CrossesDrainage Canal
Location1.5MI East of Indiantown
RouteState Highway 76
CountyMartin County
StateFlorida
Coordinates27.02044, -80.43387
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2023)
Projected traffic7,634 by 2042
Trucks16%
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

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-76 (kanner Hwy) over Drainage Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR-76 (kanner Hwy) over Drainage Canal 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 February 2025.

How much traffic does SR-76 (kanner Hwy) over Drainage Canal carry?

About 4,400 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is SR-76 (kanner Hwy) over Drainage Canal?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns SR-76 (kanner Hwy) over Drainage Canal?

It is owned by the State Highway Agency.