US Bridges

FAS 575 over Tar Creek

Fair

Menard County, Illinois · 2.5 MI E Oakford · Structure no. 065310000000000

Built
2000
25 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
113 ft
3 main spans
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 575 over Tar Creek is a prestressed concrete box beam or girders - multiple carrying FAS 575 over Tar Creek in Menard County, Illinois. It was built in 2000, so it is 25 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 227 by 2046. The structure is 113 ft (34.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 575
CrossesTar Creek
Location2.5 MI E Oakford
RouteCounty Highway 0
Coordinates40.10499, -89.92211
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span47 ft (14.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic227 by 2046
Trucks5%
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 Tar Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is FAS 575 over Tar 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 575 over Tar Creek carry?

About 225 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FAS 575 over Tar Creek?

The structure is 113 ft (34.4 m) long with a longest span of 47 ft (14.3 m) and a deck 28 ft wide.

Who owns FAS 575 over Tar Creek?

It is owned by the County Highway Agency.