US Bridges

CR 300 Nlowell RD over I-65

Fair

Bartholomew County, Indiana · 03.05 N SR 46 · Structure no. 035570

Built
1961
64 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
210 ft
4 main spans
Daily traffic
6,128
2022 count
Owner
State
State Highway Agency

About this bridge

CR 300 Nlowell RD over I-65 is a concrete continuous stringer/multi-beam or girder carrying CR 300 Nlowell RD over I-65 in Bartholomew County, Indiana. It was built in 1961, so it is 64 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 6,128 vehicles a day, roughly 10% of them trucks, projected to reach 5,032 by 2033. The structure is 210 ft (64 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 300 Nlowell RD
CrossesI-65
Location03.05 N SR 46
RouteCounty Highway 0
StateIndiana
Coordinates39.24427, -85.95467
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating29.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span65 ft (19.8 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,128 (2022)
Projected traffic5,032 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 300 Nlowell RD over I-65 built?

It was built in 1961, making it 64 years old in 2025.

What condition is CR 300 Nlowell RD over I-65 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 December 2024.

How much traffic does CR 300 Nlowell RD over I-65 carry?

About 6,128 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is CR 300 Nlowell RD over I-65?

The structure is 210 ft (64 m) long with a longest span of 65 ft (19.8 m) and a deck 29 ft wide.

Who owns CR 300 Nlowell RD over I-65?

It is owned by the State Highway Agency.