US Bridges

SR 66 over Huffman Ditch

Fair

Spencer County, Indiana · 01.78 W US 231 · Structure no. 016600

Built
1923
102 years old, rebuilt 1932
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
52 ft
1 main span
Daily traffic
14,422
2004 count
Owner
State
State Highway Agency

About this bridge

SR 66 over Huffman Ditch is a concrete culvert carrying SR 66 over Huffman Ditch in Spencer County, Indiana. It was built in 1923 and reconstructed in 1932, so it is 102 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 14,422 vehicles a day, roughly 10% of them trucks, projected to reach 19,975 by 2032. The structure is 52 ft (15.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSR 66
CrossesHuffman Ditch
Location01.78 W US 231
RouteState Highway 66
CountySpencer County
StateIndiana
Coordinates37.89465, -87.04903
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100 US tons
Inventory rating97.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,422 (2004)
Projected traffic19,975 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 66 over Huffman Ditch built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1932.

What condition is SR 66 over Huffman 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 March 2023.

How much traffic does SR 66 over Huffman Ditch carry?

About 14,422 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is SR 66 over Huffman Ditch?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m).

Who owns SR 66 over Huffman Ditch?

It is owned by the State Highway Agency.