US Bridges

I-75NB RAMP(SR-93) over I-10 EB (SR-8)

Good

Columbia County, Florida · I-75 NB Ramp to I-10 WB · Structure no. 290068

Built
1962
63 years old, rebuilt 1992
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
3 main spans
Daily traffic
6,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-75NB RAMP(SR-93) over I-10 EB (SR-8) is a prestressed concrete stringer/multi-beam or girder carrying I-75NB RAMP(SR-93) over I-10 EB (SR-8) in Columbia County, Florida. It was built in 1962 and reconstructed in 1992, so it is 63 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 6,600 vehicles a day, roughly 30% of them trucks, projected to reach 11,451 by 2044. The structure is 176 ft (53.6 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesI-75NB RAMP(SR-93)
CrossesI-10 EB (SR-8)
LocationI-75 NB Ramp to I-10 WB
RouteInterstate 75
CountyColumbia County
StateFlorida
Coordinates30.266, -82.75143
Functional classRural 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 inspectionJanuary 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69.8 US tons
Inventory rating41.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length176 ft (53.6 m)
Longest span72 ft (21.9 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2022)
Projected traffic11,451 by 2044
Trucks30%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed9.9 mi (16 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-75NB RAMP(SR-93) over I-10 EB (SR-8) built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1992.

What condition is I-75NB RAMP(SR-93) over I-10 EB (SR-8) 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 January 2024.

How much traffic does I-75NB RAMP(SR-93) over I-10 EB (SR-8) carry?

About 6,600 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is I-75NB RAMP(SR-93) over I-10 EB (SR-8)?

The structure is 176 ft (53.6 m) long with a longest span of 72 ft (21.9 m) and a deck 32 ft wide.

Who owns I-75NB RAMP(SR-93) over I-10 EB (SR-8)?

It is owned by the State Highway Agency.