US Bridges

US 31 SB over US 20 Wb/Eb Lincoln Way

Good

St. Joseph County, Indiana · 01.69 S I-90 · Structure no. 010216

Built
2016
9 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
174 ft
2 main spans
Daily traffic
32,820
2015 count
Owner
State
State Highway Agency

About this bridge

US 31 SB over US 20 Wb/Eb Lincoln Way is a prestressed concrete continuous tee beam carrying US 31 SB over US 20 Wb/Eb Lincoln Way in St. Joseph County, Indiana. It was built in 2016, so it is 9 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 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 32,820 vehicles a day, roughly 16% of them trucks, projected to reach 44,540 by 2035. The structure is 174 ft (53 m) long and 55 ft wide.

CarriesUS 31 SB
CrossesUS 20 Wb/Eb Lincoln Way
Location01.69 S I-90
RouteU.S. Route 31
StateIndiana
Coordinates41.70594, -86.3399
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating37.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length174 ft (53 m)
Longest span85 ft (25.9 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (16 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic32,820 (2015)
Projected traffic44,540 by 2035
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 SB over US 20 Wb/Eb Lincoln Way built?

It was built in 2016, making it 9 years old in 2025.

What condition is US 31 SB over US 20 Wb/Eb Lincoln Way 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 US 31 SB over US 20 Wb/Eb Lincoln Way carry?

About 32,820 vehicles per day (2015 count), of which roughly 16% are trucks.

How long is US 31 SB over US 20 Wb/Eb Lincoln Way?

The structure is 174 ft (53 m) long with a longest span of 85 ft (25.9 m) and a deck 55 ft wide.

Who owns US 31 SB over US 20 Wb/Eb Lincoln Way?

It is owned by the State Highway Agency.