US Bridges

CR 708 125.4 over SR 91 Tpk

Good

Martin County, Florida · 0.1 Mile West of I-95 · Structure no. 890119

Built
1986
39 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
2 main spans
Daily traffic
52,700
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

CR 708 125.4 over SR 91 Tpk is a prestressed concrete stringer/multi-beam or girder carrying CR 708 125.4 over SR 91 Tpk in Martin County, Florida. It was built in 1986, so it is 39 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 52,700 vehicles a day, roughly 20% of them trucks, projected to reach 91,434 by 2042. The structure is 182 ft (55.5 m) long and 93 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 708 125.4
CrossesSR 91 Tpk
Location0.1 Mile West of I-95
RouteCounty Highway 708
CountyMartin County
StateFlorida
Coordinates27.04411, -80.23948
Functional classRural Major Collector

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 inspectionNovember 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 alignment7: Better than present minimum criteria
Operating rating62.5 US tons
Inventory rating40.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span91 ft (27.7 m)
Deck width93 ft (28.3 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,700 (2022)
Projected traffic91,434 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR 708 125.4 over SR 91 Tpk built?

It was built in 1986, making it 39 years old in 2025.

What condition is CR 708 125.4 over SR 91 Tpk 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 November 2023.

How much traffic does CR 708 125.4 over SR 91 Tpk carry?

About 52,700 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is CR 708 125.4 over SR 91 Tpk?

The structure is 182 ft (55.5 m) long with a longest span of 91 ft (27.7 m) and a deck 93 ft wide.

Who owns CR 708 125.4 over SR 91 Tpk?

It is owned by the State Toll Authority.