US Bridges

7th Road over US 31 Nb/Sb

Good

Marshall County, Indiana · 02.00 N US 30 · Structure no. 080612

Built
2015
10 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
2 main spans
Daily traffic
7,150
2013 count
Owner
State
State Highway Agency

About this bridge

7th Road over US 31 Nb/Sb is a prestressed concrete continuous stringer/multi-beam or girder carrying 7th Road over US 31 Nb/Sb in Marshall County, Indiana. It was built in 2015, so it is 10 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 7,150 vehicles a day, roughly 8% of them trucks, projected to reach 8,000 by 2035. The structure is 210 ft (64 m) long and 74 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Carries7th Road
CrossesUS 31 Nb/Sb
Location02.00 N US 30
RouteCounty Highway 0
StateIndiana
Coordinates41.37667, -86.28211
Functional classRural Minor Collector

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 inspectionSeptember 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 rating67.1 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length210 ft (64 m)
Longest span104 ft (31.6 m)
Deck width74 ft (22.7 m)
Roadway width71 ft (21.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,150 (2013)
Projected traffic8,000 by 2035
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 7th Road over US 31 Nb/Sb built?

It was built in 2015, making it 10 years old in 2025.

What condition is 7th 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 September 2023.

How much traffic does 7th Road over US 31 Nb/Sb carry?

About 7,150 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is 7th Road over US 31 Nb/Sb?

The structure is 210 ft (64 m) long with a longest span of 104 ft (31.6 m) and a deck 74 ft wide.

Who owns 7th Road over US 31 Nb/Sb?

It is owned by the State Highway Agency.