US Bridges

CR 750E over Darby Ditch

Good

Benton County, Indiana · 00.30 S of CR 500 S · Structure no. 0400121

Built
1995
30 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
55
2013 count
Owner
County
County Highway Agency

About this bridge

CR 750E over Darby Ditch is a prestressed concrete box beam or girders - multiple carrying CR 750E over Darby Ditch in Benton County, Indiana. It was built in 1995, so it is 30 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 55 vehicles a day, roughly 8% of them trucks, projected to reach 69 by 2033. The structure is 55 ft (16.9 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesCR 750E
CrossesDarby Ditch
Location00.30 S of CR 500 S
RouteCounty Highway 750
StateIndiana
Coordinates40.52948, -87.1794
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span49 ft (14.8 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2013)
Projected traffic69 by 2033
Trucks8%
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 750E over Darby Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is CR 750E over Darby 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 May 2023.

How much traffic does CR 750E over Darby Ditch carry?

About 55 vehicles per day (2013 count), of which roughly 8% are trucks.

How long is CR 750E over Darby Ditch?

The structure is 55 ft (16.9 m) long with a longest span of 49 ft (14.8 m) and a deck 28 ft wide.

Who owns CR 750E over Darby Ditch?

It is owned by the County Highway Agency.