US Bridges

I-65 NB over Lafayette Road

Fair

Boone County, Indiana · 00.48 S I-865 · Structure no. 037150

Built
1959
66 years old, rebuilt 1994
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
296 ft
4 main spans
Daily traffic
16,967
2004 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over Lafayette Road is a steel continuous stringer/multi-beam or girder carrying I-65 NB over Lafayette Road in Boone County, Indiana. It was built in 1959 and reconstructed in 1994, so it is 66 years old, older than the Indiana 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 16,967 vehicles a day, roughly 10% of them trucks, projected to reach 24,000 by 2031. The structure is 296 ft (90.2 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 NB
CrossesLafayette Road
Location00.48 S I-865
RouteInterstate 65
CountyBoone County
StateIndiana
Coordinates39.92519, -86.3342
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length296 ft (90.2 m)
Longest span78 ft (23.7 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,967 (2004)
Projected traffic24,000 by 2031
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 NB over Lafayette Road built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1994.

What condition is I-65 NB over Lafayette Road 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 2023.

How much traffic does I-65 NB over Lafayette Road carry?

About 16,967 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-65 NB over Lafayette Road?

The structure is 296 ft (90.2 m) long with a longest span of 78 ft (23.7 m) and a deck 44 ft wide.

Who owns I-65 NB over Lafayette Road?

It is owned by the State Highway Agency.