US Bridges

I10 SR8 over US331 SR83

Fair

Walton County, Florida · 2.1 Miles S. of SR10 US90 · Structure no. 600005

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
2 main spans
Daily traffic
12,360
2022 count
Owner
State
State Highway Agency

About this bridge

I10 SR8 over US331 SR83 is a prestressed concrete stringer/multi-beam or girder carrying I10 SR8 over US331 SR83 in Walton County, Florida. It was built in 1972, so it is 53 years old, older 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 12,360 vehicles a day, roughly 22% of them trucks, projected to reach 21,445 by 2044. The structure is 200 ft (61 m) long and 42 ft wide.

CarriesI10 SR8
CrossesUS331 SR83
Location2.1 Miles S. of SR10 US90
RouteInterstate 10
StateFlorida
Coordinates30.69224, -86.12253
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length200 ft (61 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,360 (2022)
Projected traffic21,445 by 2044
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 I10 SR8 over US331 SR83 built?

It was built in 1972, making it 53 years old in 2025.

What condition is I10 SR8 over US331 SR83 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 July 2023.

How much traffic does I10 SR8 over US331 SR83 carry?

About 12,360 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is I10 SR8 over US331 SR83?

The structure is 200 ft (61 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns I10 SR8 over US331 SR83?

It is owned by the State Highway Agency.