US Bridges

I-65 SB / 31W over US 31W

Fair

Hardin County, Kentucky · .1 MI N of W.Ky.Pky Ntrch · Structure no. 047B00132L

Built
1983
42 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
219 ft
3 main spans
Daily traffic
34,429
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 SB / 31W over US 31W is a steel stringer/multi-beam or girder carrying I-65 SB / 31W over US 31W in Hardin County, Kentucky. It was built in 1983, so it is 42 years old, younger 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 34,429 vehicles a day, roughly 29% of them trucks, projected to reach 37,872 by 2043. The structure is 219 ft (66.8 m) long and 59 ft wide.

Location

Open in Google Maps
CarriesI-65 SB / 31W
CrossesUS 31W
Location.1 MI N of W.Ky.Pky Ntrch
RouteInterstate 65
CountyHardin County
StateKentucky
Coordinates37.67778, -85.84722
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60.6 US tons
Inventory rating36.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length219 ft (66.8 m)
Longest span108 ft (32.9 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,429 (2023)
Projected traffic37,872 by 2043
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
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-65 SB / 31W over US 31W built?

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

What condition is I-65 SB / 31W over US 31W 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 November 2024.

How much traffic does I-65 SB / 31W over US 31W carry?

About 34,429 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is I-65 SB / 31W over US 31W?

The structure is 219 ft (66.8 m) long with a longest span of 108 ft (32.9 m) and a deck 59 ft wide.

Who owns I-65 SB / 31W over US 31W?

It is owned by the State Highway Agency.