US Bridges

CR West 4A over US 31 Nb/Sb

Good

Marshall County, Indiana · 02.51 S US 6 · Structure no. 080436

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
255
2020 count
Owner
State
State Highway Agency

About this bridge

CR West 4A over US 31 Nb/Sb is a prestressed concrete continuous tee beam carrying CR West 4A over US 31 Nb/Sb in Marshall County, Indiana. It was built in 2013, so it is 12 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 255 vehicles a day, roughly 21% of them trucks, projected to reach 2,350 by 2032. The structure is 203 ft (61.9 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR West 4A
CrossesUS 31 Nb/Sb
Location02.51 S US 6
RouteCounty Highway 4
StateIndiana
Coordinates41.41571, -86.29856
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
Deck9 ExcellentNo 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length203 ft (61.9 m)
Longest span100 ft (30.6 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic255 (2020)
Projected traffic2,350 by 2032
Trucks21%
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 CR West 4A over US 31 Nb/Sb built?

It was built in 2013, making it 12 years old in 2025.

What condition is CR West 4A 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 CR West 4A over US 31 Nb/Sb carry?

About 255 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is CR West 4A over US 31 Nb/Sb?

The structure is 203 ft (61.9 m) long with a longest span of 100 ft (30.6 m) and a deck 36 ft wide.

Who owns CR West 4A over US 31 Nb/Sb?

It is owned by the State Highway Agency.