US Bridges

CR 100N over I-65 Nb/Sb

Fair

Johnson County, Indiana · 00.92 N SR 44 · Structure no. 035820

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
210 ft
2 main spans
Daily traffic
1,096
2021 count
Owner
State
State Highway Agency

About this bridge

CR 100N over I-65 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying CR 100N over I-65 Nb/Sb in Johnson County, Indiana. It was built in 1971, so it is 54 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 1,096 vehicles a day, roughly 10% of them trucks, projected to reach 1,499 by 2033. The structure is 210 ft (64 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 100N
CrossesI-65 Nb/Sb
Location00.92 N SR 44
RouteCounty Highway 0
CountyJohnson County
StateIndiana
Coordinates39.49627, -86.01754
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length210 ft (64 m)
Longest span104 ft (31.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,096 (2021)
Projected traffic1,499 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 CR 100N over I-65 Nb/Sb built?

It was built in 1971, making it 54 years old in 2025.

What condition is CR 100N over I-65 Nb/Sb 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 August 2024.

How much traffic does CR 100N over I-65 Nb/Sb carry?

About 1,096 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is CR 100N over I-65 Nb/Sb?

The structure is 210 ft (64 m) long with a longest span of 104 ft (31.6 m) and a deck 35 ft wide.

Who owns CR 100N over I-65 Nb/Sb?

It is owned by the State Highway Agency.