US Bridges

I-10 WB (SR-8) over Cahoon Rd.

Good

Duval County, Florida · I-10 WB / Cahoon Rd. · Structure no. 720207

Built
1960
65 years old, rebuilt 2013
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
45,250
2022 count
Owner
State
State Highway Agency

About this bridge

I-10 WB (SR-8) over Cahoon Rd. is a prestressed concrete stringer/multi-beam or girder carrying I-10 WB (SR-8) over Cahoon Rd. in Duval County, Florida. It was built in 1960 and reconstructed in 2013, 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 45,250 vehicles a day, roughly 16% of them trucks, projected to reach 78,509 by 2044. The structure is 133 ft (40.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-10 WB (SR-8)
CrossesCahoon Rd.
LocationI-10 WB / Cahoon Rd.
RouteInterstate 10
StateFlorida
Coordinates30.31512, -81.78361
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.6 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span58 ft (17.7 m)
Deck width73 ft (22.1 m)
Roadway width69 ft (21.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,250 (2022)
Projected traffic78,509 by 2044
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 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 WB (SR-8) over Cahoon Rd. built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2013.

What condition is I-10 WB (SR-8) over Cahoon Rd. 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 November 2023.

How much traffic does I-10 WB (SR-8) over Cahoon Rd. carry?

About 45,250 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I-10 WB (SR-8) over Cahoon Rd.?

The structure is 133 ft (40.5 m) long with a longest span of 58 ft (17.7 m) and a deck 73 ft wide.

Who owns I-10 WB (SR-8) over Cahoon Rd.?

It is owned by the State Highway Agency.