US Bridges

Johnson Fork RD over Johnson Fork Whitewater

Fair

Franklin County, Indiana · 00.10 S of Mortashed · Structure no. 2400068

Built
1999
26 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

Johnson Fork RD over Johnson Fork Whitewater is a concrete culvert carrying Johnson Fork RD over Johnson Fork Whitewater in Franklin County, Indiana. It was built in 1999, so it is 26 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 450 by 2042. The structure is 33 ft (10.2 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesJohnson Fork RD
CrossesJohnson Fork Whitewater
Location00.10 S of Mortashed
RouteCounty Highway 0
StateIndiana
Coordinates39.3474, -84.86597
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic450 by 2042
Trucks5%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Johnson Fork RD over Johnson Fork Whitewater built?

It was built in 1999, making it 26 years old in 2025.

What condition is Johnson Fork RD over Johnson Fork Whitewater 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 October 2024.

How much traffic does Johnson Fork RD over Johnson Fork Whitewater carry?

About 350 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Johnson Fork RD over Johnson Fork Whitewater?

The structure is 33 ft (10.2 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Johnson Fork RD over Johnson Fork Whitewater?

It is owned by the County Highway Agency.