US Bridges

FAS 572 (ch 5) over Duff Armstrong Ditch

Fair

Mason County, Illinois · 1.5 M SW Easton · Structure no. 063302900000000

Built
2012
13 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
175
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 572 (ch 5) over Duff Armstrong Ditch is a prestressed concrete box beam or girders - multiple carrying FAS 572 (ch 5) over Duff Armstrong Ditch in Mason County, Illinois. It was built in 2012, so it is 13 years old, younger 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 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 175 vehicles a day, roughly 6% of them trucks, projected to reach 202 by 2046. The structure is 61 ft (18.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFAS 572 (ch 5)
CrossesDuff Armstrong Ditch
Location1.5 M SW Easton
RouteCounty Highway 0
CountyMason County
StateIllinois
Coordinates40.2137, -89.85729
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.6 m)
Longest span58 ft (17.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2024)
Projected traffic202 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 FAS 572 (ch 5) over Duff Armstrong Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is FAS 572 (ch 5) over Duff Armstrong 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 2024.

How much traffic does FAS 572 (ch 5) over Duff Armstrong Ditch carry?

About 175 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is FAS 572 (ch 5) over Duff Armstrong Ditch?

The structure is 61 ft (18.6 m) long with a longest span of 58 ft (17.7 m) and a deck 30 ft wide.

Who owns FAS 572 (ch 5) over Duff Armstrong Ditch?

It is owned by the County Highway Agency.