US Bridges

Radeb. RD 170.14 over SR 91 Tpk 170.14

Good

St. Lucie County, Florida · 14.5 MI S of Ft Drum Plz · Structure no. 940060

Built
1964
61 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
393 ft
7 main spans
Daily traffic
98
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Radeb. RD 170.14 over SR 91 Tpk 170.14 is a prestressed concrete stringer/multi-beam or girder carrying Radeb. RD 170.14 over SR 91 Tpk 170.14 in St. Lucie County, Florida. It was built in 1964, so it is 61 years old, older 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 98 vehicles a day, roughly 12% of them trucks, projected to reach 100 by 2042. The structure is 393 ft (119.8 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesRadeb. RD 170.14
CrossesSR 91 Tpk 170.14
Location14.5 MI S of Ft Drum Plz
RouteCity Street 0
CountySt. Lucie County
StateFlorida
Coordinates27.5335, -80.61008
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length393 ft (119.8 m)
Longest span61 ft (18.6 m)
Deck width26 ft (7.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2024)
Projected traffic100 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Radeb. RD 170.14 over SR 91 Tpk 170.14 built?

It was built in 1964, making it 61 years old in 2025.

What condition is Radeb. RD 170.14 over SR 91 Tpk 170.14 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 January 2024.

How much traffic does Radeb. RD 170.14 over SR 91 Tpk 170.14 carry?

About 98 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Radeb. RD 170.14 over SR 91 Tpk 170.14?

The structure is 393 ft (119.8 m) long with a longest span of 61 ft (18.6 m) and a deck 26 ft wide.

Who owns Radeb. RD 170.14 over SR 91 Tpk 170.14?

It is owned by the State Toll Authority.