US Bridges

I-275 SB over Bayshore Road

Good

Manatee County, Florida · 0.6MI West of US-41 · Structure no. 130117

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
51,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-275 SB over Bayshore Road is a prestressed concrete stringer/multi-beam or girder carrying I-275 SB over Bayshore Road in Manatee County, Florida. It was built in 1983, so it is 42 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 51,000 vehicles a day, roughly 7% of them trucks, projected to reach 88,485 by 2044. The structure is 179 ft (54.6 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-275 SB
CrossesBayshore Road
Location0.6MI West of US-41
RouteInterstate 275
StateFlorida
Coordinates27.58488, -82.5505
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span74 ft (22.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2024)
Projected traffic88,485 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn an Interstate toll segment under Secretarial agreement
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-275 SB over Bayshore Road built?

It was built in 1983, making it 42 years old in 2025.

What condition is I-275 SB over Bayshore Road 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 August 2024.

How much traffic does I-275 SB over Bayshore Road carry?

About 51,000 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-275 SB over Bayshore Road?

The structure is 179 ft (54.6 m) long with a longest span of 74 ft (22.6 m) and a deck 43 ft wide.

Who owns I-275 SB over Bayshore Road?

It is owned by the State Highway Agency.