US Bridges

New Columbia RD over New Columbia Ditch

Good

Massac County, Illinois · 4.3 M N Round Knob · Structure no. 064314600000000

Built
2014
11 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
500
2020 count
Owner
County
County Highway Agency

About this bridge

New Columbia RD over New Columbia Ditch is a prestressed concrete box beam or girders - multiple carrying New Columbia RD over New Columbia Ditch in Massac County, Illinois. It was built in 2014, so it is 11 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 10% of them trucks, projected to reach 505 by 2046. The structure is 79 ft (24.1 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNew Columbia RD
CrossesNew Columbia Ditch
Location4.3 M N Round Knob
RouteCounty Highway 0
CountyMassac County
StateIllinois
Coordinates37.29797, -88.75779
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length79 ft (24.1 m)
Longest span76 ft (23.2 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic505 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 New Columbia RD over New Columbia Ditch built?

It was built in 2014, making it 11 years old in 2025.

What condition is New Columbia RD over New Columbia Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does New Columbia RD over New Columbia Ditch carry?

About 500 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is New Columbia RD over New Columbia Ditch?

The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.2 m) and a deck 30 ft wide.

Who owns New Columbia RD over New Columbia Ditch?

It is owned by the County Highway Agency.