US Bridges

CR 500W over Merlau Ditch

Good

Hancock County, Indiana · 00.03 S of W 300 S · Structure no. 3000356

Built
1988
37 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
6,800
2022 count
Owner
County
County Highway Agency

About this bridge

CR 500W over Merlau Ditch is a prestressed concrete box beam or girders - multiple carrying CR 500W over Merlau Ditch in Hancock County, Indiana. It was built in 1988, so it is 37 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,800 vehicles a day, roughly 3% of them trucks, projected to reach 12,280 by 2042. The structure is 25 ft (7.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 500W
CrossesMerlau Ditch
Location00.03 S of W 300 S
RouteCounty Highway 329
StateIndiana
Coordinates39.74201, -85.89563
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,800 (2022)
Projected traffic12,280 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 500W over Merlau Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is CR 500W over Merlau Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does CR 500W over Merlau Ditch carry?

About 6,800 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR 500W over Merlau Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns CR 500W over Merlau Ditch?

It is owned by the County Highway Agency.