US Bridges

SR 46 over Sand Creek

Good

Decatur County, Indiana · 00.90 E US 421 · Structure no. 017410

Built
1941
84 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
67 ft
1 main span
Daily traffic
6,041
2021 count
Owner
State
State Highway Agency

About this bridge

SR 46 over Sand Creek is a concrete culvert carrying SR 46 over Sand Creek in Decatur County, Indiana. It was built in 1941, so it is 84 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 6,041 vehicles a day, roughly 5% of them trucks, projected to reach 5,915 by 2031. The structure is 67 ft (20.4 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR 46
CrossesSand Creek
Location00.90 E US 421
RouteState Highway 46
StateIndiana
Coordinates39.33554, -85.46467
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 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 rating67.5 US tons
Inventory rating60 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,041 (2021)
Projected traffic5,915 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 46 over Sand Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is SR 46 over Sand 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 SR 46 over Sand Creek carry?

About 6,041 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 46 over Sand Creek?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns SR 46 over Sand Creek?

It is owned by the State Highway Agency.