US Bridges

SR-230 over Alligator Creek

Good

Bradford County, Florida · In Starke · Structure no. 280941

Built
1941
84 years old, rebuilt 1955
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
150 ft
10 main spans
Daily traffic
4,900
2022 count
Owner
State
State Highway Agency

About this bridge

SR-230 over Alligator Creek is a concrete slab carrying SR-230 over Alligator Creek in Bradford County, Florida. It was built in 1941 and reconstructed in 1955, so it is 84 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 4,900 vehicles a day, roughly 3% of them trucks, projected to reach 8,502 by 2044. The structure is 150 ft (45.7 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR-230
CrossesAlligator Creek
LocationIn Starke
RouteState Highway 230
CountyBradford County
StateFlorida
Coordinates29.9425, -82.10389
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating43.5 US tons
Inventory rating33.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length150 ft (45.7 m)
Longest span15 ft (4.6 m)
Deck width56 ft (17 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,900 (2022)
Projected traffic8,502 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-230 over Alligator Creek built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1955.

What condition is SR-230 over Alligator 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 September 2023.

How much traffic does SR-230 over Alligator Creek carry?

About 4,900 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is SR-230 over Alligator Creek?

The structure is 150 ft (45.7 m) long with a longest span of 15 ft (4.6 m) and a deck 56 ft wide.

Who owns SR-230 over Alligator Creek?

It is owned by the State Highway Agency.