US Bridges

SR 121 over Sanes Creek

Fair

Franklin County, Indiana · 03.40 N US 52 · Structure no. 025960

Built
1965
60 years old, rebuilt 2003
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
3 main spans
Daily traffic
1,581
2021 count
Owner
State
State Highway Agency

About this bridge

SR 121 over Sanes Creek is a steel continuous stringer/multi-beam or girder carrying SR 121 over Sanes Creek in Franklin County, Indiana. It was built in 1965 and reconstructed in 2003, so it is 60 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 1,581 vehicles a day, roughly 13% of them trucks, projected to reach 5,904 by 2032. The structure is 146 ft (44.5 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 121
CrossesSanes Creek
Location03.40 N US 52
RouteState Highway 121
CountyFranklin County
StateIndiana
Coordinates39.49259, -85.20068
Functional classRural Major 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length146 ft (44.5 m)
Longest span55 ft (16.7 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,581 (2021)
Projected traffic5,904 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 121 over Sanes Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2003.

What condition is SR 121 over Sanes 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 December 2024.

How much traffic does SR 121 over Sanes Creek carry?

About 1,581 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is SR 121 over Sanes Creek?

The structure is 146 ft (44.5 m) long with a longest span of 55 ft (16.7 m) and a deck 45 ft wide.

Who owns SR 121 over Sanes Creek?

It is owned by the State Highway Agency.