US Bridges

I-275 SB over Frog Creek

Fair

Manatee County, Florida · 0.3MI South of US-41 · Structure no. 130121

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

About this bridge

I-275 SB over Frog Creek is a prestressed concrete stringer/multi-beam or girder carrying I-275 SB over Frog Creek 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 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 51,000 vehicles a day, roughly 10% of them trucks, projected to reach 88,485 by 2044. The structure is 141 ft (43 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-275 SB
CrossesFrog Creek
Location0.3MI South of US-41
RouteInterstate 275
StateFlorida
Coordinates27.58529, -82.53515
Functional classUrban 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length141 ft (43 m)
Longest span47 ft (14.3 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2024)
Projected traffic88,485 by 2044
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-275 SB over Frog Creek built?

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

What condition is I-275 SB over Frog Creek 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 August 2024.

How much traffic does I-275 SB over Frog Creek carry?

About 51,000 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I-275 SB over Frog Creek?

The structure is 141 ft (43 m) long with a longest span of 47 ft (14.3 m) and a deck 59 ft wide.

Who owns I-275 SB over Frog Creek?

It is owned by the State Highway Agency.