US Bridges

I-65 NB over SR 311X

Good

Clark County, Indiana · 01.74 N SR 60 · Structure no. 034740

Built
1958
67 years old, rebuilt 2017
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
198 ft
4 main spans
Daily traffic
27,144
2015 count
Owner
State
State Highway Agency

About this bridge

I-65 NB over SR 311X is a prestressed concrete continuous box beam or girders - single or spread carrying I-65 NB over SR 311X in Clark County, Indiana. It was built in 1958 and reconstructed in 2017, so it is 67 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,144 vehicles a day, roughly 30% of them trucks, projected to reach 34,742 by 2035. The structure is 198 ft (60.2 m) long and 70 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-65 NB
CrossesSR 311X
Location01.74 N SR 60
RouteInterstate 65
CountyClark County
StateIndiana
Coordinates38.39413, -85.76244
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length198 ft (60.2 m)
Longest span55 ft (16.7 m)
Deck width70 ft (21.4 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,144 (2015)
Projected traffic34,742 by 2035
Trucks30%
Lanes on structure4
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 SR 311X built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2017.

What condition is I-65 NB over SR 311X 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 August 2023.

How much traffic does I-65 NB over SR 311X carry?

About 27,144 vehicles per day (2015 count), of which roughly 30% are trucks.

How long is I-65 NB over SR 311X?

The structure is 198 ft (60.2 m) long with a longest span of 55 ft (16.7 m) and a deck 70 ft wide.

Who owns I-65 NB over SR 311X?

It is owned by the State Highway Agency.