US Bridges

Bethlehem Road over I-4 (SR-400)

Good

Hillsborough County, Florida · 0.4 Mile N. of US-92 · Structure no. 100617

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
323 ft
2 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

Bethlehem Road over I-4 (SR-400) is a steel continuous stringer/multi-beam or girder carrying Bethlehem Road over I-4 (SR-400) in Hillsborough County, Florida. It was built in 1997, so it is 28 years old, younger 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 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,600 by 2042. The structure is 323 ft (98.6 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBethlehem Road
CrossesI-4 (SR-400)
Location0.4 Mile N. of US-92
RouteCounty Highway 0
CountyHillsborough County
StateFlorida
Coordinates28.02748, -82.20362
Functional classUrban Local

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 rating67.6 US tons
Inventory rating40.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length323 ft (98.6 m)
Longest span163 ft (49.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,600 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Bethlehem Road over I-4 (SR-400) built?

It was built in 1997, making it 28 years old in 2025.

What condition is Bethlehem Road over I-4 (SR-400) 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 Bethlehem Road over I-4 (SR-400) carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bethlehem Road over I-4 (SR-400)?

The structure is 323 ft (98.6 m) long with a longest span of 163 ft (49.6 m) and a deck 47 ft wide.

Who owns Bethlehem Road over I-4 (SR-400)?

It is owned by the State Highway Agency.