US Bridges

I-465 NB to I-865 over I-865

Fair

Boone County, Indiana · 01.97 W US 421 · Structure no. 050620

Built
1967
58 years old, rebuilt 2001
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
4 main spans
Daily traffic
1,577
2004 count
Owner
State
State Highway Agency

About this bridge

I-465 NB to I-865 over I-865 is a steel continuous stringer/multi-beam or girder carrying I-465 NB to I-865 over I-865 in Boone County, Indiana. It was built in 1967 and reconstructed in 2001, so it is 58 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 5 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 1,577 vehicles a day, roughly 10% of them trucks, projected to reach 2,856 by 2032. The structure is 180 ft (54.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-465 NB to I-865
CrossesI-865
Location01.97 W US 421
RouteInterstate 865
CountyBoone County
StateIndiana
Coordinates39.92899, -86.26434
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span53 ft (16.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,577 (2004)
Projected traffic2,856 by 2032
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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-465 NB to I-865 over I-865 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2001.

What condition is I-465 NB to I-865 over I-865 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 March 2024.

How much traffic does I-465 NB to I-865 over I-865 carry?

About 1,577 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-465 NB to I-865 over I-865?

The structure is 180 ft (54.9 m) long with a longest span of 53 ft (16.3 m) and a deck 30 ft wide.

Who owns I-465 NB to I-865 over I-865?

It is owned by the State Highway Agency.