US Bridges

Min. Maid RD 165.4 over SR 91 Tpk 165.4

Good

St. Lucie County, Florida · 9.4 Miles North of CR 68 · Structure no. 940059

Built
1964
61 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
398 ft
7 main spans
Daily traffic
100
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Min. Maid RD 165.4 over SR 91 Tpk 165.4 is a prestressed concrete stringer/multi-beam or girder carrying Min. Maid RD 165.4 over SR 91 Tpk 165.4 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 100 by 2042. The structure is 398 ft (121.3 m) long and 34 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

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CarriesMin. Maid RD 165.4
CrossesSR 91 Tpk 165.4
Location9.4 Miles North of CR 68
CountySt. Lucie County
StateFlorida
Coordinates27.48524, -80.55913
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 protection7 GoodSome minor problems.
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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating46.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length398 ft (121.3 m)
Longest span61 ft (18.6 m)
Deck width34 ft (10.3 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic100 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed23 mi (37 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 Min. Maid RD 165.4 over SR 91 Tpk 165.4 built?

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

What condition is Min. Maid RD 165.4 over SR 91 Tpk 165.4 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 Min. Maid RD 165.4 over SR 91 Tpk 165.4 carry?

About 100 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Min. Maid RD 165.4 over SR 91 Tpk 165.4?

The structure is 398 ft (121.3 m) long with a longest span of 61 ft (18.6 m) and a deck 34 ft wide.

Who owns Min. Maid RD 165.4 over SR 91 Tpk 165.4?

It is owned by the State Toll Authority.