US Bridges

US 31 over Sandy Branch

Good

Jackson County, Indiana · 01.81 N US 50 · Structure no. 009190

Built
1991
34 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
6,326
2021 count
Owner
State
State Highway Agency

About this bridge

US 31 over Sandy Branch is a prestressed concrete stringer/multi-beam or girder carrying US 31 over Sandy Branch in Jackson County, Indiana. It was built in 1991, so it is 34 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 6,326 vehicles a day, roughly 10% of them trucks, projected to reach 13,782 by 2033. The structure is 83 ft (25.2 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 31
CrossesSandy Branch
Location01.81 N US 50
RouteU.S. Route 31
StateIndiana
Coordinates38.98547, -85.83474
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length83 ft (25.2 m)
Longest span78 ft (23.7 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,326 (2021)
Projected traffic13,782 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Sandy Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 31 over Sandy Branch 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 Sandy Branch carry?

About 6,326 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US 31 over Sandy Branch?

The structure is 83 ft (25.2 m) long with a longest span of 78 ft (23.7 m) and a deck 48 ft wide.

Who owns US 31 over Sandy Branch?

It is owned by the State Highway Agency.