US Bridges

SR-105 NB over Dunn Creek

Good

Duval County, Florida · SR-105 over Dunn Creek · Structure no. 720760

Built
2011
14 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,140 ft
10 main spans
Daily traffic
8,150
2022 count
Owner
State
State Highway Agency

About this bridge

SR-105 NB over Dunn Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-105 NB over Dunn 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 8,150 vehicles a day, roughly 17% of them trucks, projected to reach 14,140 by 2044. The structure is 1,140 ft (347.5 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR-105 NB
CrossesDunn Creek
LocationSR-105 over Dunn Creek
RouteState Highway 105
StateFlorida
Coordinates30.41223, -81.58313
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans10
Design loadHL 93
Structure length1,140 ft (347.5 m)
Longest span120 ft (36.6 m)
Deck width41 ft (12.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2022)
Projected traffic14,140 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was SR-105 NB over Dunn Creek built?

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

What condition is SR-105 NB over Dunn 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 March 2024.

How much traffic does SR-105 NB over Dunn Creek carry?

About 8,150 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is SR-105 NB over Dunn Creek?

The structure is 1,140 ft (347.5 m) long with a longest span of 120 ft (36.6 m) and a deck 41 ft wide.

Who owns SR-105 NB over Dunn Creek?

It is owned by the State Highway Agency.