US Bridges

US-17 (SR-5) over Branch of Lofton Creek

Good

Nassau County, Florida · 1.7 Mi. N. of SR-A1A · Structure no. 740131

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
14,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-17 (SR-5) over Branch of Lofton Creek is a concrete culvert carrying US-17 (SR-5) over Branch of Lofton Creek in Nassau County, Florida. It was built in 2001, so it is 24 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 14,000 vehicles a day, roughly 5% of them trucks, projected to reach 24,290 by 2025. The structure is 43 ft (13 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS-17 (SR-5)
CrossesBranch of Lofton Creek
Location1.7 Mi. N. of SR-A1A
RouteU.S. Route 17
StateFlorida
Coordinates30.64886, -81.62139
Functional classRural Principal Arterial - Other

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating59.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length43 ft (13 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2023)
Projected traffic24,290 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-17 (SR-5) over Branch of Lofton Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-17 (SR-5) over Branch of 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 June 2024.

How much traffic does US-17 (SR-5) over Branch of Lofton Creek carry?

About 14,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US-17 (SR-5) over Branch of Lofton Creek?

The structure is 43 ft (13 m) long with a longest span of 10 ft (3.1 m).

Who owns US-17 (SR-5) over Branch of Lofton Creek?

It is owned by the State Highway Agency.