US Bridges

CR 700W over Richman Ditch

Fair

LaPorte County, Indiana · 00.50 N US 30 · Structure no. 4600159

Built
1935
90 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
300
2018 count
Owner
County
County Highway Agency

About this bridge

CR 700W over Richman Ditch is a prestressed concrete box beam or girders - multiple carrying CR 700W over Richman Ditch in LaPorte County, Indiana. It was built in 1935 and reconstructed in 1995, so it is 90 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 374 by 2040. The structure is 22 ft (6.7 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 700W
CrossesRichman Ditch
Location00.50 N US 30
RouteCounty Highway 23
CountyLaPorte County
StateIndiana
Coordinates41.44091, -86.8332
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
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 rating91.6 US tons
Inventory rating54.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2018)
Projected traffic374 by 2040
Trucks5%
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 700W over Richman Ditch built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1995.

What condition is CR 700W over Richman 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 700W over Richman Ditch carry?

About 300 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is CR 700W over Richman Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.

Who owns CR 700W over Richman Ditch?

It is owned by the County Highway Agency.