US Bridges

SR 18 over Vanatta Ditch

Fair

White County, Indiana · 00.79 W US 231 · Structure no. 004610

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
1,154
2021 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Vanatta Ditch is a concrete continuous slab carrying SR 18 over Vanatta Ditch in White County, Indiana. It was built in 1985, so it is 40 years old, younger 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 1,154 vehicles a day, roughly 23% of them trucks, projected to reach 1,461 by 2033. The structure is 71 ft (21.6 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 18
CrossesVanatta Ditch
Location00.79 W US 231
RouteState Highway 18
CountyWhite County
StateIndiana
Coordinates40.60662, -87.04576
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span27 ft (8.3 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,154 (2021)
Projected traffic1,461 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 SR 18 over Vanatta Ditch built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 18 over Vanatta 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 January 2024.

How much traffic does SR 18 over Vanatta Ditch carry?

About 1,154 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is SR 18 over Vanatta Ditch?

The structure is 71 ft (21.6 m) long with a longest span of 27 ft (8.3 m) and a deck 36 ft wide.

Who owns SR 18 over Vanatta Ditch?

It is owned by the State Highway Agency.