US Bridges

I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove

Fair

Duval County, Florida · 2.1 Mi.S.Of Heckscher Dr. · Structure no. 720518

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Stayed Girder
Prestressed Concrete Continuous
Length
10,646 ft
3 main spans
Daily traffic
84,321
2022 count
Owner
State
State Highway Agency

About this bridge

I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove is a prestressed concrete continuous stayed girder carrying I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove in Duval County, Florida. It was built in 1989, so it is 36 years old, younger than the Florida average of 41.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 84,321 vehicles a day, roughly 10% of them trucks, projected to reach 146,297 by 2044. The structure is 10,646 ft (3,244.9 m) long and 106 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesI-295(9A) Dames Pt
CrossesSt.Johns Riv.& Mill Cove
Location2.1 Mi.S.Of Heckscher Dr.
RouteInterstate 295
StateFlorida
Coordinates30.38392, -81.55667
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.2 US tons

Structure

Structure typeStayed Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+94 approach)
Design loadHS 20
Structure length10,646 ft (3,244.9 m)
Longest span1,300 ft (396.2 m)
Deck width106 ft (32.2 m)
Roadway width87 ft (26.5 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic84,321 (2022)
Projected traffic146,297 by 2044
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove carry?

About 84,321 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove?

The structure is 10,646 ft (3,244.9 m) long with a longest span of 1,300 ft (396.2 m) and a deck 106 ft wide.

Who owns I-295(9A) Dames Pt over St.Johns Riv.& Mill Cove?

It is owned by the State Highway Agency.