US Bridges

I10 SR8 over SR71

Fair

Jackson County, Florida · 0.9MI E. of Chipola River · Structure no. 530067

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
219 ft
4 main spans
Daily traffic
11,000
2022 count
Owner
State
State Highway Agency

About this bridge

I10 SR8 over SR71 is a prestressed concrete stringer/multi-beam or girder carrying I10 SR8 over SR71 in Jackson County, Florida. It was built in 1976, so it is 49 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 11,000 vehicles a day, roughly 33% of them trucks, projected to reach 19,085 by 2042. The structure is 219 ft (66.6 m) long and 43 ft wide.

CarriesI10 SR8
CrossesSR71
Location0.9MI E. of Chipola River
RouteInterstate 10
StateFlorida
Coordinates30.72128, -85.18553
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.
Last inspectionSeptember 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 rating76.3 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span73 ft (22.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2022)
Projected traffic19,085 by 2042
Trucks33%
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 SR71 built?

It was built in 1976, making it 49 years old in 2025.

What condition is I10 SR8 over SR71 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 September 2023.

How much traffic does I10 SR8 over SR71 carry?

About 11,000 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is I10 SR8 over SR71?

The structure is 219 ft (66.6 m) long with a longest span of 73 ft (22.3 m) and a deck 43 ft wide.

Who owns I10 SR8 over SR71?

It is owned by the State Highway Agency.