US Bridges

Laura ST over Alligator Creek

Good

Bradford County, Florida · 0.15 MI East of SR 100 · Structure no. 285601

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
77 ft
4 main spans
Daily traffic
501
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laura ST over Alligator Creek is a concrete culvert carrying Laura ST over Alligator Creek in Bradford County, Florida. It was built in 2005, so it is 20 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 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 501 vehicles a day, roughly 3% of them trucks, projected to reach 869 by 2042. The structure is 77 ft (23.4 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLaura ST
CrossesAlligator Creek
Location0.15 MI East of SR 100
RouteCity Street 0
StateFlorida
Coordinates29.93944, -82.10389
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating97.7 US tons
Inventory rating58.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length77 ft (23.4 m)
Longest span19 ft (5.9 m)
Deck width64 ft (19.5 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic501 (2023)
Projected traffic869 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
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 Laura ST over Alligator Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Laura ST 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 November 2023.

How much traffic does Laura ST over Alligator Creek carry?

About 501 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Laura ST over Alligator Creek?

The structure is 77 ft (23.4 m) long with a longest span of 19 ft (5.9 m) and a deck 64 ft wide.

Who owns Laura ST over Alligator Creek?

It is owned by the City or Municipal Highway Agency.