US Bridges

County Line RD over I-65 NB

Good

Johnson County, Indiana · 03.36 N SR 252 · Structure no. 035710

Built
1969
56 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
1 main span
Daily traffic
479
2022 count
Owner
State
State Highway Agency

About this bridge

County Line RD over I-65 NB is a steel continuous stringer/multi-beam or girder carrying County Line RD over I-65 NB in Johnson County, Indiana. It was built in 1969, so it is 56 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 479 vehicles a day, roughly 10% of them trucks, projected to reach 1,436 by 2033. The structure is 237 ft (72.2 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty Line RD
CrossesI-65 NB
Location03.36 N SR 252
RouteCounty Highway 0
StateIndiana
Coordinates39.40838, -85.95287
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span126 ft (38.4 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic479 (2022)
Projected traffic1,436 by 2033
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 County Line RD over I-65 NB built?

It was built in 1969, making it 56 years old in 2025.

What condition is County Line RD over I-65 NB 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 December 2024.

How much traffic does County Line RD over I-65 NB carry?

About 479 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is County Line RD over I-65 NB?

The structure is 237 ft (72.2 m) long with a longest span of 126 ft (38.4 m) and a deck 37 ft wide.

Who owns County Line RD over I-65 NB?

It is owned by the State Highway Agency.