US Bridges

FAS 943 over Sandy Creek W Fork

Poor

Alexander County, Illinois · 0.1 MI S of Diswood · Structure no. 002307100000000

Built
1983
42 years old
Condition
Poor
inspected February 2025
Type
Channel Beam
Concrete
Length
106 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 943 over Sandy Creek W Fork is a concrete channel beam carrying FAS 943 over Sandy Creek W Fork in Alexander County, Illinois. It was built in 1983, so it is 42 years old, younger 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 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,465 by 2046. The structure is 106 ft (32.3 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesFAS 943
CrossesSandy Creek W Fork
Location0.1 MI S of Diswood
RouteCounty Highway 0
CountyAlexander County
StateIllinois
Coordinates37.2298, -89.32281
Functional classRural Major Collector

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
Deck8 Very GoodNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,465 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 943 over Sandy Creek W Fork built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAS 943 over Sandy Creek W Fork 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 February 2025.

How much traffic does FAS 943 over Sandy Creek W Fork carry?

About 1,100 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is FAS 943 over Sandy Creek W Fork?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns FAS 943 over Sandy Creek W Fork?

It is owned by the County Highway Agency.