US Bridges

Harmony Road over I-70

Fair

Clay County, Indiana · 03.14 E SR 59 · Structure no. 041450

Built
1966
59 years old, rebuilt 2016
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
216 ft
4 main spans
Daily traffic
1,150
2015 count
Owner
State
State Highway Agency

About this bridge

Harmony Road over I-70 is a concrete continuous stringer/multi-beam or girder carrying Harmony Road over I-70 in Clay County, Indiana. It was built in 1966 and reconstructed in 2016, so it is 59 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 1,150 vehicles a day, roughly 3% of them trucks, projected to reach 1,180 by 2025. The structure is 216 ft (65.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHarmony Road
CrossesI-70
Location03.14 E SR 59
RouteCounty Highway 0
CountyClay County
StateIndiana
Coordinates39.46347, -87.0713
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length216 ft (65.9 m)
Longest span66 ft (20.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2015)
Projected traffic1,180 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Harmony Road over I-70 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2016.

What condition is Harmony Road over I-70 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 June 2024.

How much traffic does Harmony Road over I-70 carry?

About 1,150 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Harmony Road over I-70?

The structure is 216 ft (65.9 m) long with a longest span of 66 ft (20.2 m) and a deck 31 ft wide.

Who owns Harmony Road over I-70?

It is owned by the State Highway Agency.