US Bridges

SR 91 NB 237.1 over Gator Bay Branch

Fair

Osceola County, Florida · 0.7MI N of 3 Lks Toll Plz · Structure no. 920132

Built
1964
61 years old, rebuilt 1996
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
79 ft
3 main spans
Daily traffic
18,000
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 91 NB 237.1 over Gator Bay Branch is a prestressed concrete slab carrying SR 91 NB 237.1 over Gator Bay Branch in Osceola County, Florida. It was built in 1964 and reconstructed in 1996, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,000 vehicles a day, roughly 11% of them trucks, projected to reach 31,230 by 2042. The structure is 79 ft (24 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 91 NB 237.1
CrossesGator Bay Branch
Location0.7MI N of 3 Lks Toll Plz
RouteState Highway 91
CountyOsceola County
StateFlorida
Coordinates28.19098, -81.30474
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 above top of footing
Structural evaluation6: Equal to 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 rating71.9 US tons
Inventory rating64.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length79 ft (24 m)
Longest span26 ft (8 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2022)
Projected traffic31,230 by 2042
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 NB 237.1 over Gator Bay Branch built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1996.

What condition is SR 91 NB 237.1 over Gator Bay Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does SR 91 NB 237.1 over Gator Bay Branch carry?

About 18,000 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is SR 91 NB 237.1 over Gator Bay Branch?

The structure is 79 ft (24 m) long with a longest span of 26 ft (8 m) and a deck 44 ft wide.

Who owns SR 91 NB 237.1 over Gator Bay Branch?

It is owned by the State Toll Authority.