US Bridges

FAS 956 over Dry Ridge Ditch

Good

Massac County, Illinois · 3.6 MI E US 45 · Structure no. 064310800000000

Built
1989
36 years old
Condition
Good
inspected January 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 956 over Dry Ridge Ditch is a prestressed concrete box beam or girders - multiple carrying FAS 956 over Dry Ridge Ditch in Massac County, Illinois. It was built in 1989, so it is 36 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 225 vehicles a day, roughly 7% of them trucks, projected to reach 227 by 2046. The structure is 52 ft (15.8 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 956
CrossesDry Ridge Ditch
Location3.6 MI E US 45
RouteCounty Highway 0
Coordinates37.29838, -88.80208
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic227 by 2046
Trucks7%
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 FAS 956 over Dry Ridge Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is FAS 956 over Dry Ridge 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 January 2022.

How much traffic does FAS 956 over Dry Ridge Ditch carry?

About 225 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FAS 956 over Dry Ridge Ditch?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns FAS 956 over Dry Ridge Ditch?

It is owned by the County Highway Agency.