US Bridges

SR 161 over Rose Pond Ditch

Fair

Spencer County, Indiana · 07.08 S SR 66 · Structure no. 024730

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
513 ft
9 main spans
Daily traffic
11,403
2004 count
Owner
State
State Highway Agency

About this bridge

SR 161 over Rose Pond Ditch is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 161 over Rose Pond Ditch in Spencer County, Indiana. It was built in 1992, so it is 33 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 11,403 vehicles a day, roughly 10% of them trucks, projected to reach 15,793 by 2032. The structure is 513 ft (156.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSR 161
CrossesRose Pond Ditch
Location07.08 S SR 66
RouteState Highway 161
CountySpencer County
StateIndiana
Coordinates37.80392, -87.11083
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length513 ft (156.5 m)
Longest span57 ft (17.3 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,403 (2004)
Projected traffic15,793 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

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 161 over Rose Pond Ditch built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 161 over Rose Pond Ditch 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 October 2023.

How much traffic does SR 161 over Rose Pond Ditch carry?

About 11,403 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 161 over Rose Pond Ditch?

The structure is 513 ft (156.5 m) long with a longest span of 57 ft (17.3 m) and a deck 48 ft wide.

Who owns SR 161 over Rose Pond Ditch?

It is owned by the State Highway Agency.