US Bridges

SR 91 Rmp B 308.5 over I-75 NB

Good

Sumter County, Florida · SR 91 Rmp over I-75 NB · Structure no. 180600

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
298 ft
2 main spans
Daily traffic
22,650
2018 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 91 Rmp B 308.5 over I-75 NB is a prestressed concrete stringer/multi-beam or girder carrying SR 91 Rmp B 308.5 over I-75 NB in Sumter County, Florida. It was built in 2019, so it is 6 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 22,650 vehicles a day, roughly 17% of them trucks, projected to reach 24,915 by 2038. The structure is 298 ft (90.8 m) long and 59 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 91 Rmp B 308.5
CrossesI-75 NB
LocationSR 91 Rmp over I-75 NB
RouteState Highway 91
CountySumter County
StateFlorida
Coordinates28.85625, -82.09
Functional classRural Principal Arterial - Other

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 inspectionOctober 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 rating63.7 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length298 ft (90.8 m)
Longest span162 ft (49.4 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,650 (2018)
Projected traffic24,915 by 2038
Trucks17%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 Rmp B 308.5 over I-75 NB built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 91 Rmp B 308.5 over I-75 NB 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 October 2023.

How much traffic does SR 91 Rmp B 308.5 over I-75 NB carry?

About 22,650 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is SR 91 Rmp B 308.5 over I-75 NB?

The structure is 298 ft (90.8 m) long with a longest span of 162 ft (49.4 m) and a deck 59 ft wide.

Who owns SR 91 Rmp B 308.5 over I-75 NB?

It is owned by the State Toll Authority.