US Bridges

SR 106 over Armey Ditch

Good

Marshall County, Indiana · 00.07 E SR 331 · Structure no. 001740

Built
1993
32 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
3,780
2018 count
Owner
State
State Highway Agency

About this bridge

SR 106 over Armey Ditch is a concrete continuous slab carrying SR 106 over Armey Ditch in Marshall County, Indiana. It was built in 1993, so it is 32 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 3,780 vehicles a day, roughly 12% of them trucks, projected to reach 7,137 by 2030. The structure is 91 ft (27.8 m) long and 48 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 106
CrossesArmey Ditch
Location00.07 E SR 331
RouteState Highway 106
StateIndiana
Coordinates41.44713, -86.13747
Functional classRural Major 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.8 m)
Longest span36 ft (10.9 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,780 (2018)
Projected traffic7,137 by 2030
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 106 over Armey Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 106 over Armey Ditch 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 November 2023.

How much traffic does SR 106 over Armey Ditch carry?

About 3,780 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is SR 106 over Armey Ditch?

The structure is 91 ft (27.8 m) long with a longest span of 36 ft (10.9 m) and a deck 48 ft wide.

Who owns SR 106 over Armey Ditch?

It is owned by the State Highway Agency.