US Bridges

Smartsburg Road over I-74

Fair

Montgomery County, Indiana · 00.91 W SR 32 · Structure no. 044170

Built
1964
61 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
4 main spans
Daily traffic
494
2022 count
Owner
State
State Highway Agency

About this bridge

Smartsburg Road over I-74 is a steel continuous stringer/multi-beam or girder carrying Smartsburg Road over I-74 in Montgomery County, Indiana. It was built in 1964 and reconstructed in 1987, so it is 61 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 494 vehicles a day, roughly 7% of them trucks, projected to reach 803 by 2030. The structure is 207 ft (63 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSmartsburg Road
CrossesI-74
Location00.91 W SR 32
RouteCounty Highway 0
CountyMontgomery County
StateIndiana
Coordinates40.05641, -86.82425
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length207 ft (63 m)
Longest span64 ft (19.5 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic494 (2022)
Projected traffic803 by 2030
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Smartsburg Road over I-74 built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1987.

What condition is Smartsburg Road over I-74 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 September 2024.

How much traffic does Smartsburg Road over I-74 carry?

About 494 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Smartsburg Road over I-74?

The structure is 207 ft (63 m) long with a longest span of 64 ft (19.5 m) and a deck 29 ft wide.

Who owns Smartsburg Road over I-74?

It is owned by the State Highway Agency.