US Bridges

US-301 SB (SR-43) over CR-574 & CSX R/R

Fair

Hillsborough County, Florida · 1.3MI North of SR-60 · Structure no. 100011

Built
1931
94 years old, rebuilt 1971
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
216 ft
6 main spans
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

US-301 SB (SR-43) over CR-574 & CSX R/R is a concrete tee beam carrying US-301 SB (SR-43) over CR-574 & CSX R/R in Hillsborough County, Florida. It was built in 1931 and reconstructed in 1971, so it is 94 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 19,500 vehicles a day, roughly 7% of them trucks, projected to reach 33,832 by 2042. The structure is 216 ft (65.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS-301 SB (SR-43)
CrossesCR-574 & CSX R/R
Location1.3MI North of SR-60
RouteU.S. Route 301
CountyHillsborough County
StateFlorida
Coordinates27.96753, -82.3605
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.1 US tons
Inventory rating39.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHL 93
Structure length216 ft (65.9 m)
Longest span38 ft (11.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic33,832 by 2042
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US-301 SB (SR-43) over CR-574 & CSX R/R built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1971.

What condition is US-301 SB (SR-43) over CR-574 & CSX R/R 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 US-301 SB (SR-43) over CR-574 & CSX R/R carry?

About 19,500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US-301 SB (SR-43) over CR-574 & CSX R/R?

The structure is 216 ft (65.9 m) long with a longest span of 38 ft (11.7 m) and a deck 42 ft wide.

Who owns US-301 SB (SR-43) over CR-574 & CSX R/R?

It is owned by the State Highway Agency.