US Bridges

Southport RD over Little Buck Creek

Fair

Marion County, Indiana · 00.60 W I-65 · Structure no. 4900441

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
59 ft
3 main spans
Daily traffic
28,649
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southport RD over Little Buck Creek is a steel culvert carrying Southport RD over Little Buck Creek in Marion County, Indiana. It was built in 1979, so it is 46 years old, younger 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 28,649 vehicles a day, roughly 1% of them trucks, projected to reach 42,570 by 2039. The structure is 59 ft (17.9 m) long and 67 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSouthport RD
CrossesLittle Buck Creek
Location00.60 W I-65
RouteCity Street 2192
CountyMarion County
StateIndiana
Coordinates39.66524, -86.10162
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span18 ft (5.4 m)
Deck width67 ft (20.4 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,649 (2019)
Projected traffic42,570 by 2039
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Southport RD over Little Buck Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Southport RD over Little Buck Creek 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 July 2024.

How much traffic does Southport RD over Little Buck Creek carry?

About 28,649 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Southport RD over Little Buck Creek?

The structure is 59 ft (17.9 m) long with a longest span of 18 ft (5.4 m) and a deck 67 ft wide.

Who owns Southport RD over Little Buck Creek?

It is owned by the City or Municipal Highway Agency.