US Bridges

SR 340 over Purdy Run

Fair

Clay County, Indiana · 02.09 E W US 40 JCT · Structure no. 031690

Built
1920
105 years old, rebuilt 1980
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
1,553
2021 count
Owner
State
State Highway Agency

About this bridge

SR 340 over Purdy Run is a prestressed concrete box beam or girders - multiple carrying SR 340 over Purdy Run in Clay County, Indiana. It was built in 1920 and reconstructed in 1980, so it is 105 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 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 1,553 vehicles a day, roughly 2% of them trucks, projected to reach 3,602 by 2032. The structure is 38 ft (11.5 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR 340
CrossesPurdy Run
Location02.09 E W US 40 JCT
RouteState Highway 340
CountyClay County
StateIndiana
Coordinates39.5078, -87.20147
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span35 ft (10.6 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,553 (2021)
Projected traffic3,602 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 340 over Purdy Run built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1980.

What condition is SR 340 over Purdy Run 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 November 2024.

How much traffic does SR 340 over Purdy Run carry?

About 1,553 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SR 340 over Purdy Run?

The structure is 38 ft (11.5 m) long with a longest span of 35 ft (10.6 m) and a deck 34 ft wide.

Who owns SR 340 over Purdy Run?

It is owned by the State Highway Agency.