US Bridges

SR-9B NB over Powers Bay Creek

Good

Duval County, Florida · 0.7 MI E of US-1 · Structure no. 720720

Built
2011
14 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
750 ft
7 main spans
Daily traffic
36,000
2023 count
Owner
State
State Highway Agency

About this bridge

SR-9B NB over Powers Bay Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-9B NB over Powers Bay Creek in Duval County, Florida. It was built in 2011, so it is 14 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 36,000 vehicles a day, roughly 4% of them trucks, projected to reach 62,460 by 2044. The structure is 750 ft (228.6 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSR-9B NB
CrossesPowers Bay Creek
Location0.7 MI E of US-1
RouteState Highway 9B
CountyDuval County
StateFlorida
Coordinates30.14694, -81.50778
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length750 ft (228.6 m)
Longest span108 ft (32.8 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2023)
Projected traffic62,460 by 2044
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR-9B NB over Powers Bay Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR-9B NB over Powers Bay 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 May 2024.

How much traffic does SR-9B NB over Powers Bay Creek carry?

About 36,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR-9B NB over Powers Bay Creek?

The structure is 750 ft (228.6 m) long with a longest span of 108 ft (32.8 m) and a deck 71 ft wide.

Who owns SR-9B NB over Powers Bay Creek?

It is owned by the State Highway Agency.