US Bridges

US 31 over I-65 Nb/Sb

Good

Jackson County, Indiana · 04.11 N SR 250 · Structure no. 009130

Built
1958
67 years old, rebuilt 2020
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
4,119
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over I-65 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying US 31 over I-65 Nb/Sb in Jackson County, Indiana. It was built in 1958 and reconstructed in 2020, so it is 67 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,119 vehicles a day, roughly 7% of them trucks, projected to reach 3,670 by 2039. The structure is 238 ft (72.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 31
CrossesI-65 Nb/Sb
Location04.11 N SR 250
RouteU.S. Route 31
StateIndiana
Coordinates38.90211, -85.82079
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length238 ft (72.6 m)
Longest span70 ft (21.4 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,119 (2021)
Projected traffic3,670 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 US 31 over I-65 Nb/Sb built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2020.

What condition is US 31 over I-65 Nb/Sb 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 June 2024.

How much traffic does US 31 over I-65 Nb/Sb carry?

About 4,119 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US 31 over I-65 Nb/Sb?

The structure is 238 ft (72.6 m) long with a longest span of 70 ft (21.4 m) and a deck 35 ft wide.

Who owns US 31 over I-65 Nb/Sb?

It is owned by the State Highway Agency.