US Bridges

Ill 145 over Bay Creek Ditch

Fair

Pope County, Illinois · 1.4 MI N Massac CO · Structure no. 076002500000000

Built
1982
43 years old, rebuilt 2012
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
264 ft
5 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 145 over Bay Creek Ditch is a prestressed concrete box beam or girders - multiple carrying Ill 145 over Bay Creek Ditch in Pope County, Illinois. It was built in 1982 and reconstructed in 2012, so it is 43 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 1,750 vehicles a day, roughly 14% of them trucks, projected to reach 2,071 by 2046. The structure is 264 ft (80.4 m) long and 34 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesIll 145
CrossesBay Creek Ditch
Location1.4 MI N Massac CO
RouteState Highway 145
Coordinates37.32886, -88.67472
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating63.2 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadHS 25 or greater
Structure length264 ft (80.4 m)
Longest span54 ft (16.4 m)
Deck width34 ft (10.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,071 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill 145 over Bay Creek Ditch built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 2012.

What condition is Ill 145 over Bay Creek 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 September 2024.

How much traffic does Ill 145 over Bay Creek Ditch carry?

About 1,750 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is Ill 145 over Bay Creek Ditch?

The structure is 264 ft (80.4 m) long with a longest span of 54 ft (16.4 m) and a deck 34 ft wide.

Who owns Ill 145 over Bay Creek Ditch?

It is owned by the State Highway Agency.