US Bridges

SR 23 NB 35.7 over Double Branch

Good

Clay County, Florida · 2.0 MI S of Duval CO Line · Structure no. 710084

Built
2017
8 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
3 main spans
Daily traffic
10,400
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

SR 23 NB 35.7 over Double Branch is a prestressed concrete stringer/multi-beam or girder carrying SR 23 NB 35.7 over Double Branch in Clay County, Florida. It was built in 2017, so it is 8 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 10,400 vehicles a day, roughly 6% of them trucks, projected to reach 18,044 by 2044. The structure is 300 ft (91.4 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 23 NB 35.7
CrossesDouble Branch
Location2.0 MI S of Duval CO Line
RouteState Highway 23
CountyClay County
StateFlorida
Coordinates30.16439, -81.83087
Functional classUrban Other Principal 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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width67 ft (20.5 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2022)
Projected traffic18,044 by 2044
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 23 NB 35.7 over Double Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR 23 NB 35.7 over Double Branch 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 SR 23 NB 35.7 over Double Branch carry?

About 10,400 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR 23 NB 35.7 over Double Branch?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 67 ft wide.

Who owns SR 23 NB 35.7 over Double Branch?

It is owned by the State Toll Authority.