US Bridges

I-74 EB over Ross Ditch

Fair

Hendricks County, Indiana · 00.30 E SR 39 · Structure no. 044340

Built
1960
65 years old, rebuilt 2018
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
10,720
2018 count
Owner
State
State Highway Agency

About this bridge

I-74 EB over Ross Ditch is a concrete continuous slab carrying I-74 EB over Ross Ditch in Hendricks County, Indiana. It was built in 1960 and reconstructed in 2018, so it is 65 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 10,720 vehicles a day, roughly 29% of them trucks, projected to reach 11,730 by 2038. The structure is 89 ft (27.1 m) long and 55 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-74 EB
CrossesRoss Ditch
Location00.30 E SR 39
RouteInterstate 74
CountyHendricks County
StateIndiana
Coordinates39.88945, -86.53334
Functional classRural Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating33.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span34 ft (10.3 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,720 (2018)
Projected traffic11,730 by 2038
Trucks29%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-74 EB over Ross Ditch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2018.

What condition is I-74 EB over Ross 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 November 2024.

How much traffic does I-74 EB over Ross Ditch carry?

About 10,720 vehicles per day (2018 count), of which roughly 29% are trucks.

How long is I-74 EB over Ross Ditch?

The structure is 89 ft (27.1 m) long with a longest span of 34 ft (10.3 m) and a deck 55 ft wide.

Who owns I-74 EB over Ross Ditch?

It is owned by the State Highway Agency.