US Bridges

SR 18 over Rayman Ditch

Fair

White County, Indiana · 00.71 E I-65 · Structure no. 004620

Built
1988
37 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
1,738
2021 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Rayman Ditch is a concrete continuous slab carrying SR 18 over Rayman Ditch in White 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 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 1,738 vehicles a day, roughly 23% of them trucks, projected to reach 2,125 by 2030. The structure is 75 ft (22.8 m) long and 45 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 18
CrossesRayman Ditch
Location00.71 E I-65
RouteState Highway 18
CountyWhite County
StateIndiana
Coordinates40.6052, -86.9654
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 protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (22.8 m)
Longest span28 ft (8.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,738 (2021)
Projected traffic2,125 by 2030
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Rayman Ditch built?

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

What condition is SR 18 over Rayman 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 Rayman Ditch carry?

About 1,738 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is SR 18 over Rayman Ditch?

The structure is 75 ft (22.8 m) long with a longest span of 28 ft (8.5 m) and a deck 45 ft wide.

Who owns SR 18 over Rayman Ditch?

It is owned by the State Highway Agency.