US Bridges

Harshman Road over Springfield ST

Fair

Montgomery County, Ohio · .8 MI S of SR4 · Structure no. 5770661

Built
1978
47 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
95 ft
1 main span
Daily traffic
25,278
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harshman Road over Springfield ST is a steel stringer/multi-beam or girder carrying Harshman Road over Springfield ST in Montgomery County, Ohio. It was built in 1978, so it is 47 years old, younger than the Ohio average of 47.3 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 25,278 vehicles a day, roughly 5% of them trucks, projected to reach 35,086 by 2038. The structure is 95 ft (28.9 m) long and 75 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHarshman Road
CrossesSpringfield ST
Location.8 MI S of SR4
RouteCity Street 74
StateOhio
Coordinates39.78304, -84.11792
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length95 ft (28.9 m)
Longest span90 ft (27.5 m)
Deck width75 ft (22.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,278 (2018)
Projected traffic35,086 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Harshman Road over Springfield ST built?

It was built in 1978, making it 47 years old in 2025.

What condition is Harshman Road over Springfield ST 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 Harshman Road over Springfield ST carry?

About 25,278 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Harshman Road over Springfield ST?

The structure is 95 ft (28.9 m) long with a longest span of 90 ft (27.5 m) and a deck 75 ft wide.

Who owns Harshman Road over Springfield ST?

It is owned by the City or Municipal Highway Agency.