US Bridges

CH-4 (FAS-945) over Sandy Creek

Fair

Alexander County, Illinois · 3.5 MI N Diswood · Structure no. 002300800000000

Built
1962
63 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
650
2022 count
Owner
County
County Highway Agency

About this bridge

CH-4 (FAS-945) over Sandy Creek is a concrete channel beam carrying CH-4 (FAS-945) over Sandy Creek in Alexander County, Illinois. It was built in 1962, so it is 63 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 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 650 vehicles a day, roughly 11% of them trucks, projected to reach 556 by 2046. The structure is 30 ft (9.2 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesCH-4 (FAS-945)
CrossesSandy Creek
Location3.5 MI N Diswood
RouteCounty Highway 0
CountyAlexander County
StateIllinois
Coordinates37.27631, -89.33509
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length30 ft (9.2 m)
Longest span29 ft (8.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2022)
Projected traffic556 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 CH-4 (FAS-945) over Sandy Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is CH-4 (FAS-945) over Sandy Creek 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 November 2023.

How much traffic does CH-4 (FAS-945) over Sandy Creek carry?

About 650 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is CH-4 (FAS-945) over Sandy Creek?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.9 m) and a deck 28 ft wide.

Who owns CH-4 (FAS-945) over Sandy Creek?

It is owned by the County Highway Agency.