US Bridges

FAS 573 over Indian Creek

Fair

Menard County, Illinois · 2 MI NE Petersburg · Structure no. 065300000000000

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
130 ft
3 main spans
Daily traffic
950
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 573 over Indian Creek is a prestressed concrete box beam or girders - multiple carrying FAS 573 over Indian Creek in Menard County, Illinois. It was built in 1969, so it is 56 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 5 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 950 vehicles a day, roughly 7% of them trucks, projected to reach 960 by 2046. The structure is 130 ft (39.6 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 573
CrossesIndian Creek
Location2 MI NE Petersburg
RouteCounty Highway 0
Coordinates40.03218, -89.81119
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span42 ft (12.7 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2020)
Projected traffic960 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 573 over Indian Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAS 573 over Indian 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 September 2023.

How much traffic does FAS 573 over Indian Creek carry?

About 950 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FAS 573 over Indian Creek?

The structure is 130 ft (39.6 m) long with a longest span of 42 ft (12.7 m) and a deck 38 ft wide.

Who owns FAS 573 over Indian Creek?

It is owned by the County Highway Agency.