US Bridges

FAS 755 (CH2) over Irish Hollow Creek

Poor

Calhoun County, Illinois · State ST Sof Wtr ST · Structure no. 007600200000000

Built
1977
48 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
2 main spans
Daily traffic
225
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 755 (CH2) over Irish Hollow Creek is a prestressed concrete box beam or girders - multiple carrying FAS 755 (CH2) over Irish Hollow Creek in Calhoun County, Illinois. It was built in 1977, so it is 48 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 225 vehicles a day, roughly 12% of them trucks, projected to reach 354 by 2046. The structure is 127 ft (38.7 m) long and 28 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS 755 (CH2)
CrossesIrish Hollow Creek
LocationState ST Sof Wtr ST
RouteCounty Highway 0
Coordinates39.22783, -90.71611
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span73 ft (22.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic354 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 755 (CH2) over Irish Hollow Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAS 755 (CH2) over Irish Hollow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does FAS 755 (CH2) over Irish Hollow Creek carry?

About 225 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is FAS 755 (CH2) over Irish Hollow Creek?

The structure is 127 ft (38.7 m) long with a longest span of 73 ft (22.3 m) and a deck 28 ft wide.

Who owns FAS 755 (CH2) over Irish Hollow Creek?

It is owned by the Town or Township Highway Agency.