US Bridges

FAS 773/ Alhambra over Silver Ck

PoorClosed to traffic

Madison County, Illinois · 1.0MI N Alhambra · Structure no. 060319000000000

Built
1971
54 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
3 main spans
Daily traffic
600
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 773/ Alhambra over Silver Ck is a steel continuous stringer/multi-beam or girder carrying FAS 773/ Alhambra over Silver Ck in Madison County, Illinois. It was built in 1971, so it is 54 years old, older 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. Its operating status is: closed to all traffic.

It carries about 600 vehicles a day, roughly 8% of them trucks, projected to reach 642 by 2046. The structure is 213 ft (64.9 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAS 773/ Alhambra
CrossesSilver Ck
Location1.0MI N Alhambra
RouteCounty Highway 0
Coordinates38.91343, -89.75889
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span80 ft (24.4 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic642 by 2046
Trucks8%
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 773/ Alhambra over Silver Ck built?

It was built in 1971, making it 54 years old in 2025.

What condition is FAS 773/ Alhambra over Silver Ck 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 November 2023.

How much traffic does FAS 773/ Alhambra over Silver Ck carry?

About 600 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 773/ Alhambra over Silver Ck?

The structure is 213 ft (64.9 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.

Who owns FAS 773/ Alhambra over Silver Ck?

It is owned by the County Highway Agency.