US Bridges

CR 31 over Hydraulic Canal

PoorPosted for load

Elkhart County, Indiana · 00.20 N of CR 46 · Structure no. 2000135

Built
1976
49 years old
Condition
Poor
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
2,867
2020 count
Owner
County
County Highway Agency

About this bridge

CR 31 over Hydraulic Canal is a prestressed concrete box beam or girders - multiple carrying CR 31 over Hydraulic Canal in Elkhart County, Indiana. It was built in 1976, so it is 49 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. Its operating status is: posted for load restriction.

It carries about 2,867 vehicles a day, roughly 10% of them trucks, projected to reach 4,938 by 2040. The structure is 49 ft (15 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 31
CrossesHydraulic Canal
Location00.20 N of CR 46
RouteCounty Highway 55
StateIndiana
Coordinates41.5004, -85.7698
Functional classRural 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating24.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length49 ft (15 m)
Longest span44 ft (13.5 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,867 (2020)
Projected traffic4,938 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 31 over Hydraulic Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is CR 31 over Hydraulic Canal 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 August 2024.

How much traffic does CR 31 over Hydraulic Canal carry?

About 2,867 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is CR 31 over Hydraulic Canal?

The structure is 49 ft (15 m) long with a longest span of 44 ft (13.5 m) and a deck 32 ft wide.

Who owns CR 31 over Hydraulic Canal?

It is owned by the County Highway Agency.