US Bridges

CR 600E over Harrington Ditch

Fair

Benton County, Indiana · 00.20 of 870 S · Structure no. 0400083

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
403
2023 count
Owner
County
County Highway Agency

About this bridge

CR 600E over Harrington Ditch is a prestressed concrete box beam or girders - multiple carrying CR 600E over Harrington Ditch in Benton County, Indiana. It was built in 1962, so it is 63 years old, older 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 403 vehicles a day, roughly 13% of them trucks, projected to reach 504 by 2043. The structure is 58 ft (17.6 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 600E
CrossesHarrington Ditch
Location00.20 of 870 S
RouteCounty Highway 600
StateIndiana
Coordinates40.47892, -87.20692
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span54 ft (16.4 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic403 (2023)
Projected traffic504 by 2043
Trucks13%
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

OwnerCounty Highway Agency
Maintained byCounty 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 CR 600E over Harrington Ditch built?

It was built in 1962, making it 63 years old in 2025.

What condition is CR 600E over Harrington Ditch 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 May 2023.

How much traffic does CR 600E over Harrington Ditch carry?

About 403 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is CR 600E over Harrington Ditch?

The structure is 58 ft (17.6 m) long with a longest span of 54 ft (16.4 m) and a deck 28 ft wide.

Who owns CR 600E over Harrington Ditch?

It is owned by the County Highway Agency.