US Bridges

SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR

Good

St. Lucie County, Florida · 0.37MI N of CR-712 · Structure no. 940076

Built
1959
66 years old, rebuilt 1990
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
244 ft
4 main spans
Daily traffic
18,800
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR is a steel stringer/multi-beam or girder carrying SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR in St. Lucie County, Florida. It was built in 1959 and reconstructed in 1990, so it is 66 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 18,800 vehicles a day, roughly 19% of them trucks, projected to reach 32,618 by 2042. The structure is 244 ft (74.4 m) long and 46 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

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CarriesSR-91 NB Tpk 150.7
CrossesCR709 Glades RD & Fec RR
Location0.37MI N of CR-712
RouteState Highway 91
CountySt. Lucie County
StateFlorida
Coordinates27.37956, -80.38638
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionDecember 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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length244 ft (74.4 m)
Longest span72 ft (21.8 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,800 (2023)
Projected traffic32,618 by 2042
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5.6 mi (9 km)
TollOn a toll road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1990.

What condition is SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR 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 December 2023.

How much traffic does SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR carry?

About 18,800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR?

The structure is 244 ft (74.4 m) long with a longest span of 72 ft (21.8 m) and a deck 46 ft wide.

Who owns SR-91 NB Tpk 150.7 over CR709 Glades RD & Fec RR?

It is owned by the State Toll Authority.