US Bridges

FAS-694 (CH-1) over Greenbriar Ditch

Fair

Crawford County, Illinois · 1.5 MI S Pierceburg · Structure no. 017304600000000

Built
1976
49 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
104 ft
3 main spans
Daily traffic
625
2020 count
Owner
County
County Highway Agency

About this bridge

FAS-694 (CH-1) over Greenbriar Ditch is a concrete channel beam carrying FAS-694 (CH-1) over Greenbriar Ditch in Crawford County, Illinois. It was built in 1976, so it is 49 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 625 vehicles a day, roughly 5% of them trucks, projected to reach 631 by 2046. The structure is 104 ft (31.7 m) long and 30 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesFAS-694 (CH-1)
CrossesGreenbriar Ditch
Location1.5 MI S Pierceburg
RouteCounty Highway 0
CountyCrawford County
StateIllinois
Coordinates38.90754, -87.90771
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2020)
Projected traffic631 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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-694 (CH-1) over Greenbriar Ditch built?

It was built in 1976, making it 49 years old in 2025.

What condition is FAS-694 (CH-1) over Greenbriar Ditch 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 February 2023.

How much traffic does FAS-694 (CH-1) over Greenbriar Ditch carry?

About 625 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FAS-694 (CH-1) over Greenbriar Ditch?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns FAS-694 (CH-1) over Greenbriar Ditch?

It is owned by the County Highway Agency.