US Bridges

FAS 2728 over Silver Ck

Fair

Macoupin County, Illinois · 3.5 MI E Staunton · Structure no. 059330000000000

Built
1983
42 years old
Condition
Fair
inspected January 2023
Type
Channel Beam
Concrete
Length
96 ft
3 main spans
Daily traffic
700
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 2728 over Silver Ck is a concrete channel beam carrying FAS 2728 over Silver Ck in Macoupin 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 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 700 vehicles a day, roughly 10% of them trucks, projected to reach 707 by 2046. The structure is 96 ft (29.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 2728
CrossesSilver Ck
Location3.5 MI E Staunton
RouteCounty Highway 0
Coordinates39.02085, -89.70431
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2021)
Projected traffic707 by 2046
Trucks10%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 2728 over Silver Ck built?

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

What condition is FAS 2728 over Silver Ck 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 January 2023.

How much traffic does FAS 2728 over Silver Ck carry?

About 700 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAS 2728 over Silver Ck?

The structure is 96 ft (29.3 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns FAS 2728 over Silver Ck?

It is owned by the Town or Township Highway Agency.