US Bridges

I-275SB to I-75NB over I-75 and I-275 Ramps

Good

Manatee County, Florida · 0.6 MI East of US-41 · Structure no. 130112

Built
1981
44 years old, rebuilt 2019
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,249 ft
6 main spans
Daily traffic
9,300
2023 count
Owner
State
State Highway Agency

About this bridge

I-275SB to I-75NB over I-75 and I-275 Ramps is a steel continuous stringer/multi-beam or girder carrying I-275SB to I-75NB over I-75 and I-275 Ramps in Manatee County, Florida. It was built in 1981 and reconstructed in 2019, so it is 44 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 9,300 vehicles a day, roughly 8% of them trucks, projected to reach 16,136 by 2042. The structure is 2,249 ft (685.5 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-275SB to I-75NB
CrossesI-75 and I-275 Ramps
Location0.6 MI East of US-41
RouteInterstate 275
CountyManatee County
StateFlorida
Coordinates27.58538, -82.51562
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating37.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans6 (+13 approach)
Design loadHS 20 + Mod
Structure length2,249 ft (685.5 m)
Longest span251 ft (76.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2023)
Projected traffic16,136 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$97,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-275SB to I-75NB over I-75 and I-275 Ramps built?

It was built in 1981, making it 44 years old in 2025. It was reconstructed in 2019.

What condition is I-275SB to I-75NB over I-75 and I-275 Ramps 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 November 2023.

How much traffic does I-275SB to I-75NB over I-75 and I-275 Ramps carry?

About 9,300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is I-275SB to I-75NB over I-75 and I-275 Ramps?

The structure is 2,249 ft (685.5 m) long with a longest span of 251 ft (76.5 m) and a deck 38 ft wide.

Who owns I-275SB to I-75NB over I-75 and I-275 Ramps?

It is owned by the State Highway Agency.