US Bridges

146 TH Street over US 31

Good

Hamilton County, Indiana · 2.99 S SR 32 · Structure no. 009615

Built
1999
26 years old, rebuilt 2014
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
289 ft
2 main spans
Daily traffic
22,427
2021 count
Owner
State
State Highway Agency

About this bridge

146 TH Street over US 31 is a steel continuous stringer/multi-beam or girder carrying 146 TH Street over US 31 in Hamilton County, Indiana. It was built in 1999 and reconstructed in 2014, so it is 26 years old, younger 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 22,427 vehicles a day, roughly 5% of them trucks, projected to reach 28,000 by 2041. The structure is 289 ft (88.2 m) long and 128 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries146 TH Street
CrossesUS 31
Location2.99 S SR 32
RouteCounty Highway 0
StateIndiana
Coordinates40.00016, -86.12695
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating24 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length289 ft (88.2 m)
Longest span150 ft (45.8 m)
Deck width128 ft (39.1 m)
Roadway width98 ft (29.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,427 (2021)
Projected traffic28,000 by 2041
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 146 TH Street over US 31 built?

It was built in 1999, making it 26 years old in 2025. It was reconstructed in 2014.

What condition is 146 TH Street over US 31 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 September 2024.

How much traffic does 146 TH Street over US 31 carry?

About 22,427 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 146 TH Street over US 31?

The structure is 289 ft (88.2 m) long with a longest span of 150 ft (45.8 m) and a deck 128 ft wide.

Who owns 146 TH Street over US 31?

It is owned by the State Highway Agency.