US Bridges

I10 SR8 over Yellow River Relief

Fair

Okaloosa County, Florida · 4.5 Miles West of SR85 · Structure no. 570067

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
400 ft
8 main spans
Daily traffic
16,404
2022 count
Owner
State
State Highway Agency

About this bridge

I10 SR8 over Yellow River Relief is a prestressed concrete stringer/multi-beam or girder carrying I10 SR8 over Yellow River Relief in Okaloosa County, Florida. It was built in 1969, so it is 56 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 16,404 vehicles a day, roughly 25% of them trucks, projected to reach 28,460 by 2044. The structure is 400 ft (121.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI10 SR8
CrossesYellow River Relief
Location4.5 Miles West of SR85
RouteInterstate 10
StateFlorida
Coordinates30.71549, -86.64257
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating53 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20 + Mod
Structure length400 ft (121.9 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,404 (2022)
Projected traffic28,460 by 2044
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I10 SR8 over Yellow River Relief built?

It was built in 1969, making it 56 years old in 2025.

What condition is I10 SR8 over Yellow River Relief 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 June 2023.

How much traffic does I10 SR8 over Yellow River Relief carry?

About 16,404 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I10 SR8 over Yellow River Relief?

The structure is 400 ft (121.9 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns I10 SR8 over Yellow River Relief?

It is owned by the State Highway Agency.