US Bridges

I-10 (SR-8) over Mcduff Ave.

Good

Duval County, Florida · I-10 / Mcduff Ave. · Structure no. 720313

Built
1960
65 years old, rebuilt 1989
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
4 main spans
Daily traffic
127,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 (SR-8) over Mcduff Ave. is a prestressed concrete stringer/multi-beam or girder carrying I-10 (SR-8) over Mcduff Ave. in Duval County, Florida. It was built in 1960 and reconstructed in 1989, so it is 65 years old, older 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 127,000 vehicles a day, roughly 4% of them trucks, projected to reach 220,345 by 2042. The structure is 182 ft (55.5 m) long and 111 ft wide.

Location

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CarriesI-10 (SR-8)
CrossesMcduff Ave.
LocationI-10 / Mcduff Ave.
RouteInterstate 10
CountyDuval County
StateFlorida
Coordinates30.32083, -81.70545
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.4 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span54 ft (16.5 m)
Deck width111 ft (33.7 m)
Roadway width106 ft (32.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic127,000 (2022)
Projected traffic220,345 by 2042
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-10 (SR-8) over Mcduff Ave. built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is I-10 (SR-8) over Mcduff Ave. 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 I-10 (SR-8) over Mcduff Ave. carry?

About 127,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is I-10 (SR-8) over Mcduff Ave.?

The structure is 182 ft (55.5 m) long with a longest span of 54 ft (16.5 m) and a deck 111 ft wide.

Who owns I-10 (SR-8) over Mcduff Ave.?

It is owned by the State Highway Agency.