US Bridges

Johnson Fork RD over Johnson Fork Whitewater

Fair

Franklin County, Indiana · 00.60 S of New Trenton RD · Structure no. 2400075

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
100 ft
2 main spans
Daily traffic
700
2024 count
Owner
County
County Highway Agency

About this bridge

Johnson Fork RD over Johnson Fork Whitewater is a prestressed concrete continuous box beam or girders - multiple carrying Johnson Fork RD over Johnson Fork Whitewater in Franklin County, Indiana. It was built in 1980, so it is 45 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 900 by 2042. The structure is 100 ft (30.6 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesJohnson Fork RD
CrossesJohnson Fork Whitewater
Location00.60 S of New Trenton RD
RouteCounty Highway 0
StateIndiana
Coordinates39.30789, -84.84522
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.6 US tons
Inventory rating57.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.6 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic900 by 2042
Trucks10%
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 1980, making it 45 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 700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Johnson Fork RD over Johnson Fork Whitewater?

The structure is 100 ft (30.6 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Johnson Fork RD over Johnson Fork Whitewater?

It is owned by the County Highway Agency.