US Bridges

SR-200 and A1A over Lofton Creek

Good

Nassau County, Florida · SR-200 / Lofton Creek · Structure no. 740138

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
216 ft
3 main spans
Daily traffic
45,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR-200 and A1A over Lofton Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-200 and A1A over Lofton Creek in Nassau 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45,500 vehicles a day, roughly 7% of them trucks, projected to reach 78,942 by 2044. The structure is 216 ft (65.8 m) long and 130 ft wide.

Location

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CarriesSR-200 and A1A
CrossesLofton Creek
LocationSR-200 / Lofton Creek
RouteState Highway 200
CountyNassau County
StateFlorida
Coordinates30.62965, -81.57099
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length216 ft (65.8 m)
Longest span72 ft (21.9 m)
Deck width130 ft (39.5 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2022)
Projected traffic78,942 by 2044
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-200 and A1A over Lofton Creek built?

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

What condition is SR-200 and A1A over Lofton Creek 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 March 2023.

How much traffic does SR-200 and A1A over Lofton Creek carry?

About 45,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR-200 and A1A over Lofton Creek?

The structure is 216 ft (65.8 m) long with a longest span of 72 ft (21.9 m) and a deck 130 ft wide.

Who owns SR-200 and A1A over Lofton Creek?

It is owned by the State Highway Agency.