US Bridges

FAS 560 over Prairie Crk Trib

Fair

Logan County, Illinois · 3 MI N Newholland · Structure no. 054306100000000

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
3 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 560 over Prairie Crk Trib is a prestressed concrete box beam or girders - multiple carrying FAS 560 over Prairie Crk Trib in Logan County, Illinois. It was built in 1993, so it is 32 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 150 vehicles a day, roughly 42% of them trucks, projected to reach 263 by 2046. The structure is 74 ft (22.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 560
CrossesPrairie Crk Trib
Location3 MI N Newholland
RouteCounty Highway 0
Coordinates40.22741, -89.58082
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 inspectionNovember 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 adequacy7: Better than present minimum 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 length74 ft (22.6 m)
Longest span24 ft (7.4 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic263 by 2046
Trucks42%
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 560 over Prairie Crk Trib built?

It was built in 1993, making it 32 years old in 2025.

What condition is FAS 560 over Prairie Crk Trib 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 November 2023.

How much traffic does FAS 560 over Prairie Crk Trib carry?

About 150 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is FAS 560 over Prairie Crk Trib?

The structure is 74 ft (22.6 m) long with a longest span of 24 ft (7.4 m) and a deck 28 ft wide.

Who owns FAS 560 over Prairie Crk Trib?

It is owned by the County Highway Agency.