US Bridges

SR 14 over Dunker Ditch

Fair

Pulaski County, Indiana · 01.81 E US 421 · Structure no. 003670

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
47 ft
2 main spans
Daily traffic
1,815
2021 count
Owner
State
State Highway Agency

About this bridge

SR 14 over Dunker Ditch is a concrete culvert carrying SR 14 over Dunker Ditch in Pulaski 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 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 1,815 vehicles a day, roughly 23% of them trucks, projected to reach 2,293 by 2030. The structure is 47 ft (14.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 14
CrossesDunker Ditch
Location01.81 E US 421
RouteState Highway 14
CountyPulaski County
StateIndiana
Coordinates41.05592, -86.85691
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span18 ft (5.6 m)
Deck width34 ft (10.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,815 (2021)
Projected traffic2,293 by 2030
Trucks23%
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 14 over Dunker Ditch built?

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

What condition is SR 14 over Dunker 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 SR 14 over Dunker Ditch carry?

About 1,815 vehicles per day (2021 count), of which roughly 23% are trucks.

How long is SR 14 over Dunker Ditch?

The structure is 47 ft (14.3 m) long with a longest span of 18 ft (5.6 m) and a deck 34 ft wide.

Who owns SR 14 over Dunker Ditch?

It is owned by the State Highway Agency.