US Bridges

Dry Ridge Road over Main Ditch

Poor

Massac County, Illinois · 0.9 MI E US 45 · Structure no. 064307400000000

Built
1964
61 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Dry Ridge Road over Main Ditch is a steel stringer/multi-beam or girder carrying Dry Ridge Road over Main Ditch in Massac County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, roughly 4% of them trucks, projected to reach 25 by 2046. The structure is 62 ft (18.8 m) long and 18 ft wide.

CarriesDry Ridge Road
CrossesMain Ditch
Location0.9 MI E US 45
RouteCounty Highway 0
Coordinates37.30599, -88.85703
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating52.5 US tons
Inventory rating24.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length62 ft (18.8 m)
Longest span60 ft (18.3 m)
Deck width18 ft (5.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks4%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$141,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dry Ridge Road over Main Ditch built?

It was built in 1964, making it 61 years old in 2025.

What condition is Dry Ridge Road over Main Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Dry Ridge Road over Main Ditch carry?

About 25 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Dry Ridge Road over Main Ditch?

The structure is 62 ft (18.8 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.

Who owns Dry Ridge Road over Main Ditch?

It is owned by the Town or Township Highway Agency.