US Bridges

CR 600W over Guse Arm Ditch

Fair

LaPorte County, Indiana · 00.40 S CR 1600 S · Structure no. 4600069

Built
1934
91 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
697
2019 count
Owner
County
County Highway Agency

About this bridge

CR 600W over Guse Arm Ditch is a prestressed concrete box beam or girders - multiple carrying CR 600W over Guse Arm Ditch in LaPorte County, Indiana. It was built in 1934 and reconstructed in 1995, so it is 91 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 5 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 697 vehicles a day, roughly 19% of them trucks, projected to reach 859 by 2040. The structure is 40 ft (12.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR 600W
CrossesGuse Arm Ditch
Location00.40 S CR 1600 S
RouteCounty Highway 29
CountyLaPorte County
StateIndiana
Coordinates41.36997, -86.81467
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span36 ft (11.1 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic697 (2019)
Projected traffic859 by 2040
Trucks19%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 600W over Guse Arm Ditch built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1995.

What condition is CR 600W over Guse Arm 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 September 2024.

How much traffic does CR 600W over Guse Arm Ditch carry?

About 697 vehicles per day (2019 count), of which roughly 19% are trucks.

How long is CR 600W over Guse Arm Ditch?

The structure is 40 ft (12.1 m) long with a longest span of 36 ft (11.1 m) and a deck 28 ft wide.

Who owns CR 600W over Guse Arm Ditch?

It is owned by the County Highway Agency.