US Bridges

Ireland Road over US 20/31 Eb/Wb

Good

St. Joseph County, Indiana · 01.35 E SR 23 · Structure no. 079654

Built
2011
14 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
252 ft
4 main spans
Daily traffic
6,431
2021 count
Owner
State
State Highway Agency

About this bridge

Ireland Road over US 20/31 Eb/Wb is a prestressed concrete continuous stringer/multi-beam or girder carrying Ireland Road over US 20/31 Eb/Wb in St. Joseph County, Indiana. It was built in 2011, so it is 14 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 6,431 vehicles a day, roughly 13% of them trucks, projected to reach 12,370 by 2030. The structure is 252 ft (76.9 m) long and 60 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesIreland Road
CrossesUS 20/31 Eb/Wb
Location01.35 E SR 23
RouteCity Street 0
CountySt. Joseph County
StateIndiana
Coordinates41.6287, -86.27775
Functional classUrban Minor Arterial

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 2024
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 rating60.4 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length252 ft (76.9 m)
Longest span66 ft (20.1 m)
Deck width60 ft (18.3 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,431 (2021)
Projected traffic12,370 by 2030
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 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 Ireland Road over US 20/31 Eb/Wb built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ireland Road over US 20/31 Eb/Wb 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 Ireland Road over US 20/31 Eb/Wb carry?

About 6,431 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Ireland Road over US 20/31 Eb/Wb?

The structure is 252 ft (76.9 m) long with a longest span of 66 ft (20.1 m) and a deck 60 ft wide.

Who owns Ireland Road over US 20/31 Eb/Wb?

It is owned by the State Highway Agency.