US Bridges

SR 18 over Taylor Ditch

Fair

Grant County, Indiana · 01.49 W SR 13 · Structure no. 004760

Built
1936
89 years old
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
38 ft
1 main span
Daily traffic
3,994
2018 count
Owner
State
State Highway Agency

About this bridge

SR 18 over Taylor Ditch is a concrete arch - deck carrying SR 18 over Taylor Ditch in Grant County, Indiana. It was built in 1936, so it is 89 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 3,994 vehicles a day, roughly 12% of them trucks, projected to reach 12,899 by 2033. The structure is 38 ft (11.5 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 18
CrossesTaylor Ditch
Location01.49 W SR 13
RouteState Highway 18
CountyGrant County
StateIndiana
Coordinates40.57634, -85.85151
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length38 ft (11.5 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,994 (2018)
Projected traffic12,899 by 2033
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Taylor Ditch built?

It was built in 1936, making it 89 years old in 2025.

What condition is SR 18 over Taylor 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 August 2023.

How much traffic does SR 18 over Taylor Ditch carry?

About 3,994 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is SR 18 over Taylor Ditch?

The structure is 38 ft (11.5 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns SR 18 over Taylor Ditch?

It is owned by the State Highway Agency.