US Bridges

SR 91 Tpk SB 245.6 over Bass Slough

Good

Osceola County, Florida · 1.1MI N of Kiss. Interch · Structure no. 920077

Built
1963
62 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
40,600
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 91 Tpk SB 245.6 over Bass Slough is a prestressed concrete slab carrying SR 91 Tpk SB 245.6 over Bass Slough in Osceola County, Florida. It was built in 1963, so it is 62 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 40,600 vehicles a day, roughly 11% of them trucks, projected to reach 70,441 by 2044. The structure is 62 ft (18.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 91 Tpk SB 245.6
CrossesBass Slough
Location1.1MI N of Kiss. Interch
RouteState Highway 91
StateFlorida
Coordinates28.30122, -81.35944
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating50.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,600 (2022)
Projected traffic70,441 by 2044
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 91 Tpk SB 245.6 over Bass Slough built?

It was built in 1963, making it 62 years old in 2025.

What condition is SR 91 Tpk SB 245.6 over Bass Slough 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 Tpk SB 245.6 over Bass Slough carry?

About 40,600 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR 91 Tpk SB 245.6 over Bass Slough?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 44 ft wide.

Who owns SR 91 Tpk SB 245.6 over Bass Slough?

It is owned by the State Toll Authority.