US Bridges

US-301 NB (SR-43) over CSX RR

Good

Hillsborough County, Florida · 0.3 Mile North of SR-60 · Structure no. 100101

Built
1970
55 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
4 main spans
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

US-301 NB (SR-43) over CSX RR is a prestressed concrete stringer/multi-beam or girder carrying US-301 NB (SR-43) over CSX RR in Hillsborough County, Florida. It was built in 1970, so it is 55 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 19,500 vehicles a day, roughly 7% of them trucks, projected to reach 33,832 by 2042. The structure is 176 ft (53.6 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS-301 NB (SR-43)
CrossesCSX RR
Location0.3 Mile North of SR-60
RouteU.S. Route 301
StateFlorida
Coordinates27.95302, -82.35474
Functional classUrban Other Principal Arterial

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length176 ft (53.6 m)
Longest span50 ft (15.2 m)
Deck width41 ft (12.4 m)
Roadway width39 ft (11.8 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
CrossesRailroad
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 NB (SR-43) over CSX RR built?

It was built in 1970, making it 55 years old in 2025.

What condition is US-301 NB (SR-43) over CSX RR 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 March 2023.

How much traffic does US-301 NB (SR-43) over CSX RR carry?

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

How long is US-301 NB (SR-43) over CSX RR?

The structure is 176 ft (53.6 m) long with a longest span of 50 ft (15.2 m) and a deck 41 ft wide.

Who owns US-301 NB (SR-43) over CSX RR?

It is owned by the State Highway Agency.