US Bridges

W 6th RD over US 31 Sb/Nb

Fair

Marshall County, Indiana · 03.07 N US 30 · Structure no. 076560

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
1,000
2006 count
Owner
State
State Highway Agency

About this bridge

W 6th RD over US 31 Sb/Nb is a prestressed concrete continuous tee beam carrying W 6th RD over US 31 Sb/Nb in Marshall County, Indiana. It was built in 2009, so it is 16 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,180 by 2030. The structure is 217 ft (66.1 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesW 6th RD
CrossesUS 31 Sb/Nb
Location03.07 N US 30
RouteCounty Highway 0
CountyMarshall County
StateIndiana
Coordinates41.39106, -86.28775
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length217 ft (66.1 m)
Longest span106 ft (32.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2006)
Projected traffic1,180 by 2030
Trucks5%
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 W 6th RD over US 31 Sb/Nb built?

It was built in 2009, making it 16 years old in 2025.

What condition is W 6th RD over US 31 Sb/Nb in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does W 6th RD over US 31 Sb/Nb carry?

About 1,000 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is W 6th RD over US 31 Sb/Nb?

The structure is 217 ft (66.1 m) long with a longest span of 106 ft (32.3 m) and a deck 40 ft wide.

Who owns W 6th RD over US 31 Sb/Nb?

It is owned by the State Highway Agency.