US Bridges

Southport Road over Little Buck Creek

Good

Marion County, Indiana · 00.45 W of Madison Ave · Structure no. 4900430

Built
1957
68 years old, rebuilt 2013
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
95 ft
3 main spans
Daily traffic
23,977
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Southport Road over Little Buck Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Southport Road over Little Buck Creek in Marion County, Indiana. It was built in 1957 and reconstructed in 2013, so it is 68 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 23,977 vehicles a day, roughly 5% of them trucks, projected to reach 42,080 by 2043. The structure is 95 ft (29.1 m) long and 38 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSouthport Road
CrossesLittle Buck Creek
Location00.45 W of Madison Ave
RouteCity Street 0
StateIndiana
Coordinates39.66482, -86.13597
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.8 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length95 ft (29.1 m)
Longest span31 ft (9.5 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,977 (2023)
Projected traffic42,080 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Road over Little Buck Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2013.

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

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

About 23,977 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Southport Road over Little Buck Creek?

The structure is 95 ft (29.1 m) long with a longest span of 31 ft (9.5 m) and a deck 38 ft wide.

Who owns Southport Road over Little Buck Creek?

It is owned by the City or Municipal Highway Agency.