US Bridges

Piqua Road over Irwin Ditch

Good

Adams County, Indiana · 0.30 Miles SE of CR 300 E · Structure no. 0100041

Built
1968
57 years old, rebuilt 2008
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
933
2022 count
Owner
County
County Highway Agency

About this bridge

Piqua Road over Irwin Ditch is a prestressed concrete box beam or girders - multiple carrying Piqua Road over Irwin Ditch in Adams County, Indiana. It was built in 1968 and reconstructed in 2008, so it is 57 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 933 vehicles a day, roughly 5% of them trucks, projected to reach 1,248 by 2042. The structure is 36 ft (11.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPiqua Road
CrossesIrwin Ditch
Location0.30 Miles SE of CR 300 E
RouteCounty Highway 0
StateIndiana
Coordinates40.8159, -84.8764
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating51.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11.1 m)
Longest span34 ft (10.3 m)
Deck width36 ft (11.1 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic933 (2022)
Projected traffic1,248 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Piqua Road over Irwin Ditch built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2008.

What condition is Piqua Road over Irwin Ditch 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 May 2024.

How much traffic does Piqua Road over Irwin Ditch carry?

About 933 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Piqua Road over Irwin Ditch?

The structure is 36 ft (11.1 m) long with a longest span of 34 ft (10.3 m) and a deck 36 ft wide.

Who owns Piqua Road over Irwin Ditch?

It is owned by the County Highway Agency.