US Bridges

Long Road over Branch of Roberson Ditch

Fair

Knox County, Indiana · 01.29 NW of Bicknell Road · Structure no. 4200162

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected September 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
130
2015 count
Owner
County
County Highway Agency

About this bridge

Long Road over Branch of Roberson Ditch is a concrete channel beam carrying Long Road over Branch of Roberson Ditch in Knox County, Indiana. It was built in 1950 and reconstructed in 1994, so it is 75 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 130 vehicles a day, roughly 3% of them trucks, projected to reach 170 by 2035. The structure is 34 ft (10.3 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLong Road
CrossesBranch of Roberson Ditch
Location01.29 NW of Bicknell Road
RouteCounty Highway 0
CountyKnox County
StateIndiana
Coordinates38.73279, -87.33801
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.9 US tons
Inventory rating28 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span29 ft (8.8 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2015)
Projected traffic170 by 2035
Trucks3%
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 Long Road over Branch of Roberson Ditch built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is Long Road over Branch of Roberson 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 September 2023.

How much traffic does Long Road over Branch of Roberson Ditch carry?

About 130 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Long Road over Branch of Roberson Ditch?

The structure is 34 ft (10.3 m) long with a longest span of 29 ft (8.8 m) and a deck 19 ft wide.

Who owns Long Road over Branch of Roberson Ditch?

It is owned by the County Highway Agency.