US Bridges

121st ST East over Sand Creek

Fair

Hamilton County, Indiana · 00.75 E of Cumberland RD · Structure no. 2900164

Built
1966
59 years old, rebuilt 2010
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
57 ft
3 main spans
Daily traffic
2,260
2020 count
Owner
County
County Highway Agency

About this bridge

121st ST East over Sand Creek is a concrete continuous slab carrying 121st ST East over Sand Creek in Hamilton County, Indiana. It was built in 1966 and reconstructed in 2010, so it is 59 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 2,260 vehicles a day, roughly 2% of them trucks, projected to reach 3,670 by 2040. The structure is 57 ft (17.3 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries121st ST East
CrossesSand Creek
Location00.75 E of Cumberland RD
RouteCity Street 0
CountyHamilton County
StateIndiana
Coordinates39.96447, -85.98004
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length57 ft (17.3 m)
Longest span21 ft (6.4 m)
Deck width46 ft (14.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,260 (2020)
Projected traffic3,670 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 121st ST East over Sand Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2010.

What condition is 121st ST East over Sand 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 August 2023.

How much traffic does 121st ST East over Sand Creek carry?

About 2,260 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is 121st ST East over Sand Creek?

The structure is 57 ft (17.3 m) long with a longest span of 21 ft (6.4 m) and a deck 46 ft wide.

Who owns 121st ST East over Sand Creek?

It is owned by the County Highway Agency.