US Bridges

Center Street over Armey Ditch

Poor

Marshall County, Indiana · 00.01 N of Water Street · Structure no. 5000006

Built
1905
120 years old, rebuilt 1969
Condition
Poor
inspected October 2024
Type
Arch - Deck
Masonry
Length
60 ft
1 main span
Daily traffic
1,250
2022 count
Owner
County
County Highway Agency

About this bridge

Center Street over Armey Ditch is a masonry arch - deck carrying Center Street over Armey Ditch in Marshall County, Indiana. It was built in 1905 and reconstructed in 1969, so it is 120 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,250 vehicles a day, roughly 15% of them trucks, projected to reach 2,125 by 2042. The structure is 60 ft (18.2 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCenter Street
CrossesArmey Ditch
Location00.01 N of Water Street
RouteCity Street 0
StateIndiana
Coordinates41.45119, -86.14654
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating28 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans1
Design loadUnknown
Structure length60 ft (18.2 m)
Longest span57 ft (17.3 m)
Deck width52 ft (15.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2022)
Projected traffic2,125 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$500,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Center Street over Armey Ditch built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1969.

What condition is Center Street over Armey Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Center Street over Armey Ditch carry?

About 1,250 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Center Street over Armey Ditch?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.3 m) and a deck 52 ft wide.

Who owns Center Street over Armey Ditch?

It is owned by the County Highway Agency.