US Bridges

SR-46 over Lake Jesup

Fair

Seminole County, Florida · SR-46 - Lake Jesup · Structure no. 770094

Built
2009
16 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
3,742 ft
36 main spans
Daily traffic
13,240
2024 count
Owner
State
State Highway Agency

About this bridge

SR-46 over Lake Jesup is a prestressed concrete stringer/multi-beam or girder carrying SR-46 over Lake Jesup in Seminole County, Florida. It was built in 2009, so it is 16 years old, younger 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 13,240 vehicles a day, roughly 13% of them trucks, projected to reach 22,971 by 2042. The structure is 3,742 ft (1,140.6 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesSR-46
CrossesLake Jesup
LocationSR-46 - Lake Jesup
RouteState Highway 46
CountySeminole County
StateFlorida
Coordinates28.78324, -81.17374
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans36
Design loadHL 93
Structure length3,742 ft (1,140.6 m)
Longest span113 ft (34.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,240 (2024)
Projected traffic22,971 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-46 over Lake Jesup built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR-46 over Lake Jesup 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 January 2024.

How much traffic does SR-46 over Lake Jesup carry?

About 13,240 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR-46 over Lake Jesup?

The structure is 3,742 ft (1,140.6 m) long with a longest span of 113 ft (34.4 m) and a deck 47 ft wide.

Who owns SR-46 over Lake Jesup?

It is owned by the State Highway Agency.