US Bridges

I-71 NB over CSX RR White Sulphur Fk

Fair

Henry County, Kentucky · 1.0 MI S of US 421 · Structure no. 052B00051R

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
434 ft
4 main spans
Daily traffic
19,833
2023 count
Owner
State
State Highway Agency

About this bridge

I-71 NB over CSX RR White Sulphur Fk is a steel continuous stringer/multi-beam or girder carrying I-71 NB over CSX RR White Sulphur Fk in Henry County, Kentucky. It was built in 1968, so it is 57 years old, older than the Kentucky average of 46.6 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 19,833 vehicles a day, roughly 32% of them trucks, projected to reach 24,592 by 2043. The structure is 434 ft (132.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-71 NB
CrossesCSX RR White Sulphur Fk
Location1.0 MI S of US 421
RouteInterstate 71
CountyHenry County
StateKentucky
Coordinates38.50806, -85.24278
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length434 ft (132.4 m)
Longest span131 ft (39.9 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,833 (2023)
Projected traffic24,592 by 2043
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-71 NB over CSX RR White Sulphur Fk built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-71 NB over CSX RR White Sulphur Fk 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 July 2023.

How much traffic does I-71 NB over CSX RR White Sulphur Fk carry?

About 19,833 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is I-71 NB over CSX RR White Sulphur Fk?

The structure is 434 ft (132.4 m) long with a longest span of 131 ft (39.9 m) and a deck 36 ft wide.

Who owns I-71 NB over CSX RR White Sulphur Fk?

It is owned by the State Highway Agency.