US Bridges

TR78A-HARRY Weber over New Columbia Ditch

Fair

Massac County, Illinois · 1 MI W Big Bay · Structure no. 064302900000000

Built
1900
125 years old, rebuilt 1979
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR78A-HARRY Weber over New Columbia Ditch is a steel stringer/multi-beam or girder carrying TR78A-HARRY Weber over New Columbia Ditch in Massac County, Illinois. It was built in 1900 and reconstructed in 1979, so it is 125 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 56 ft (17.2 m) long and 18 ft wide.

Location

Open in Google Maps
CarriesTR78A-HARRY Weber
CrossesNew Columbia Ditch
Location1 MI W Big Bay
RouteCounty Highway 0
CountyMassac County
StateIllinois
Coordinates37.31903, -88.73341
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating50.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length56 ft (17.2 m)
Longest span46 ft (14 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR78A-HARRY Weber over New Columbia Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1979.

What condition is TR78A-HARRY Weber over New Columbia 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 December 2024.

How much traffic does TR78A-HARRY Weber over New Columbia Ditch carry?

About 25 vehicles per day (2020 count).

How long is TR78A-HARRY Weber over New Columbia Ditch?

The structure is 56 ft (17.2 m) long with a longest span of 46 ft (14 m) and a deck 18 ft wide.

Who owns TR78A-HARRY Weber over New Columbia Ditch?

It is owned by the Town or Township Highway Agency.