US Bridges

SR 91 Ramp 255.6 over US 17 SR 500 (obt)

Good

Orange County, Florida · 0.25 MI South of SR 528 · Structure no. 750645

Built
2018
7 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
1 main span
Daily traffic
16,400
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 91 Ramp 255.6 over US 17 SR 500 (obt) is a prestressed concrete stringer/multi-beam or girder carrying SR 91 Ramp 255.6 over US 17 SR 500 (obt) in Orange County, Florida. It was built in 2018, so it is 7 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 16,400 vehicles a day, roughly 15% of them trucks, projected to reach 28,454 by 2038. The structure is 160 ft (48.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 91 Ramp 255.6
CrossesUS 17 SR 500 (obt)
Location0.25 MI South of SR 528
RouteState Highway 91
CountyOrange County
StateFlorida
Coordinates28.43172, -81.40478
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 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 rating69.7 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span160 ft (48.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2016)
Projected traffic28,454 by 2038
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 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 Ramp 255.6 over US 17 SR 500 (obt) built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 91 Ramp 255.6 over US 17 SR 500 (obt) 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 September 2023.

How much traffic does SR 91 Ramp 255.6 over US 17 SR 500 (obt) carry?

About 16,400 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is SR 91 Ramp 255.6 over US 17 SR 500 (obt)?

The structure is 160 ft (48.8 m) long with a longest span of 160 ft (48.8 m) and a deck 43 ft wide.

Who owns SR 91 Ramp 255.6 over US 17 SR 500 (obt)?

It is owned by the State Toll Authority.