US Bridges

Indiantown Rd. over SR-91 (fla. Turnpike)

Good

Palm Beach County, Florida · Tpk. / SR 706 Interchange · Structure no. 930374

Built
1987
38 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
234 ft
2 main spans
Daily traffic
47,500
2022 count
Owner
State
State Highway Agency

About this bridge

Indiantown Rd. over SR-91 (fla. Turnpike) is a prestressed concrete stringer/multi-beam or girder carrying Indiantown Rd. over SR-91 (fla. Turnpike) in Palm Beach County, Florida. It was built in 1987, so it is 38 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 47,500 vehicles a day, roughly 12% of them trucks, projected to reach 82,412 by 2044. The structure is 234 ft (71.3 m) long and 125 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIndiantown Rd.
CrossesSR-91 (fla. Turnpike)
LocationTpk. / SR 706 Interchange
RouteState Highway 706
StateFlorida
Coordinates26.93476, -80.15384
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length234 ft (71.3 m)
Longest span117 ft (35.7 m)
Deck width125 ft (38.1 m)
Roadway width122 ft (37.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,500 (2022)
Projected traffic82,412 by 2044
Trucks12%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Indiantown Rd. over SR-91 (fla. Turnpike) built?

It was built in 1987, making it 38 years old in 2025.

What condition is Indiantown Rd. over SR-91 (fla. Turnpike) 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 March 2023.

How much traffic does Indiantown Rd. over SR-91 (fla. Turnpike) carry?

About 47,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Indiantown Rd. over SR-91 (fla. Turnpike)?

The structure is 234 ft (71.3 m) long with a longest span of 117 ft (35.7 m) and a deck 125 ft wide.

Who owns Indiantown Rd. over SR-91 (fla. Turnpike)?

It is owned by the State Highway Agency.