US Bridges

Jackson Road over US 31 Nb/Sb

Good

St. Joseph County, Indiana · 00.10 S US 20 · Structure no. 079858

Built
2014
11 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
572 ft
3 main spans
Daily traffic
1,594
2021 count
Owner
State
State Highway Agency

About this bridge

Jackson Road over US 31 Nb/Sb is a steel continuous stringer/multi-beam or girder carrying Jackson Road over US 31 Nb/Sb in St. Joseph County, Indiana. It was built in 2014, so it is 11 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 1,594 vehicles a day, roughly 8% of them trucks, projected to reach 2,000 by 2030. The structure is 572 ft (174.4 m) long and 43 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesJackson Road
CrossesUS 31 Nb/Sb
Location00.10 S US 20
RouteCity Street 0
CountySt. Joseph County
StateIndiana
Coordinates41.6217, -86.25178
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating86.8 US tons
Inventory rating66.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length572 ft (174.4 m)
Longest span216 ft (65.8 m)
Deck width43 ft (13.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,594 (2021)
Projected traffic2,000 by 2030
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5.6 mi (9 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 Jackson Road over US 31 Nb/Sb built?

It was built in 2014, making it 11 years old in 2025.

What condition is Jackson Road over US 31 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 July 2023.

How much traffic does Jackson Road over US 31 Nb/Sb carry?

About 1,594 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Jackson Road over US 31 Nb/Sb?

The structure is 572 ft (174.4 m) long with a longest span of 216 ft (65.8 m) and a deck 43 ft wide.

Who owns Jackson Road over US 31 Nb/Sb?

It is owned by the State Highway Agency.