US Bridges

Lake Trail over US 31 Nb/Sb

Good

St. Joseph County, Indiana · 04.43 N US 6 · Structure no. 079842

Built
2014
11 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
235 ft
2 main spans
Daily traffic
4,869
2020 count
Owner
State
State Highway Agency

About this bridge

Lake Trail over US 31 Nb/Sb is a prestressed concrete continuous tee beam carrying Lake Trail 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 4,869 vehicles a day, roughly 20% of them trucks, projected to reach 2,570 by 2035. The structure is 235 ft (71.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLake Trail
CrossesUS 31 Nb/Sb
Location04.43 N US 6
RouteCounty Highway 0
StateIndiana
Coordinates41.50591, -86.25022
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.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length235 ft (71.7 m)
Longest span118 ft (36.1 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,869 (2020)
Projected traffic2,570 by 2035
Trucks20%
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 Lake Trail over US 31 Nb/Sb built?

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

What condition is Lake Trail 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 Lake Trail over US 31 Nb/Sb carry?

About 4,869 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Lake Trail over US 31 Nb/Sb?

The structure is 235 ft (71.7 m) long with a longest span of 118 ft (36.1 m) and a deck 34 ft wide.

Who owns Lake Trail over US 31 Nb/Sb?

It is owned by the State Highway Agency.