US Bridges

US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/

Good

St. Joseph County, Indiana · 06.12 E US 31 · Structure no. 075030

Built
1991
34 years old, rebuilt 2021
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
2 main spans
Daily traffic
19,729
2021 count
Owner
State
State Highway Agency

About this bridge

US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/ is a steel continuous stringer/multi-beam or girder carrying US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/ in St. Joseph County, Indiana. It was built in 1991 and reconstructed in 2021, 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 19,729 vehicles a day, roughly 15% of them trucks, projected to reach 20,000 by 2030. The structure is 193 ft (58.8 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 20 EB SR 331 N
CrossesSR 331 (elm/Capital) Nb/
Location06.12 E US 31
RouteU.S. Route 20
CountySt. Joseph County
StateIndiana
Coordinates41.6242, -86.13817
Functional classRural Principal Arterial - Other

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 rating54.7 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length193 ft (58.8 m)
Longest span94 ft (28.8 m)
Deck width64 ft (19.4 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,729 (2021)
Projected traffic20,000 by 2030
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
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 20 EB SR 331 N over SR 331 (elm/Capital) Nb/ built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2021.

What condition is US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/ 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 2024.

How much traffic does US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/ carry?

About 19,729 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/?

The structure is 193 ft (58.8 m) long with a longest span of 94 ft (28.8 m) and a deck 64 ft wide.

Who owns US 20 EB SR 331 N over SR 331 (elm/Capital) Nb/?

It is owned by the State Highway Agency.