US Bridges

I-75 (SR-93) over Tiger Branch

Fair

Columbia County, Florida · 0.1 Mi.S.Of Suwannee Co. · Structure no. 290940

Built
1962
63 years old, rebuilt 1998
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
41,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-75 (SR-93) over Tiger Branch is a concrete culvert carrying I-75 (SR-93) over Tiger Branch in Columbia County, Florida. It was built in 1962 and reconstructed in 1998, 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 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 41,500 vehicles a day, roughly 30% of them trucks, projected to reach 72,002 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-75 (SR-93)
CrossesTiger Branch
Location0.1 Mi.S.Of Suwannee Co.
RouteInterstate 75
CountyColumbia County
StateFlorida
Coordinates30.305, -82.79389
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating62.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length31 ft (9.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,500 (2022)
Projected traffic72,002 by 2044
Trucks30%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 I-75 (SR-93) over Tiger Branch built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1998.

What condition is I-75 (SR-93) over Tiger Branch 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 March 2023.

How much traffic does I-75 (SR-93) over Tiger Branch carry?

About 41,500 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is I-75 (SR-93) over Tiger Branch?

The structure is 31 ft (9.6 m) long with a longest span of 10 ft (3 m).

Who owns I-75 (SR-93) over Tiger Branch?

It is owned by the State Highway Agency.