US Bridges

US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk

Good

St. Johns County, Florida · US-1 SB Ramp to CR-210 · Structure no. 780121

Built
2010
15 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,777 ft
3 main spans
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk is a steel continuous stringer/multi-beam or girder carrying US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk in St. Johns County, Florida. It was built in 2010, so it is 15 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 12,000 vehicles a day, roughly 2% of them trucks, projected to reach 20,820 by 2045. The structure is 1,777 ft (541.6 m) long and 43 ft wide.

CarriesUS-1 SB (SR-5)
CrossesUS-1 (SR-5) & Durbin Crk
LocationUS-1 SB Ramp to CR-210
RouteState Highway 1
StateFlorida
Coordinates30.09792, -81.47209
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.7 US tons
Inventory rating45.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 25 or greater
Structure length1,777 ft (541.6 m)
Longest span238 ft (72.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic20,820 by 2045
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk built?

It was built in 2010, making it 15 years old in 2025.

What condition is US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk 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 July 2024.

How much traffic does US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk carry?

About 12,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk?

The structure is 1,777 ft (541.6 m) long with a longest span of 238 ft (72.5 m) and a deck 43 ft wide.

Who owns US-1 SB (SR-5) over US-1 (SR-5) & Durbin Crk?

It is owned by the State Highway Agency.