US Bridges

FAS 575 over Concord Creek

Good

Menard County, Illinois · 4 MI N Petersburg · Structure no. 065311000000000

Built
2006
19 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
121 ft
2 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 575 over Concord Creek is a prestressed concrete box beam or girders - multiple carrying FAS 575 over Concord Creek in Menard County, Illinois. It was built in 2006, so it is 19 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 250 vehicles a day, roughly 12% of them trucks, projected to reach 253 by 2046. The structure is 121 ft (36.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFAS 575
CrossesConcord Creek
Location4 MI N Petersburg
RouteCounty Highway 0
CountyMenard County
StateIllinois
Coordinates40.07839, -89.87412
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span74 ft (22.6 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 575 over Concord Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is FAS 575 over Concord Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does FAS 575 over Concord Creek carry?

About 250 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is FAS 575 over Concord Creek?

The structure is 121 ft (36.9 m) long with a longest span of 74 ft (22.6 m) and a deck 30 ft wide.

Who owns FAS 575 over Concord Creek?

It is owned by the County Highway Agency.