US Bridges

Il 145 over Bay Creek

Good

Pope County, Illinois · 2.3 MI So of Ill 146 · Structure no. 076003300000000

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
4 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

Il 145 over Bay Creek is a steel continuous stringer/multi-beam or girder carrying Il 145 over Bay Creek in Pope County, Illinois. It was built in 2024, so it is 1 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,750 vehicles a day, roughly 14% of them trucks, projected to reach 2,071 by 2046. The structure is 324 ft (98.7 m) long and 35 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

Location

Open in Google Maps
CarriesIl 145
CrossesBay Creek
Location2.3 MI So of Ill 146
RouteState Highway 145
CountyPope County
StateIllinois
Coordinates37.35164, -88.67608
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
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 rating61.4 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length324 ft (98.7 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 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 Il 145 over Bay Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Il 145 over Bay Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Il 145 over Bay Creek carry?

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

How long is Il 145 over Bay Creek?

The structure is 324 ft (98.7 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns Il 145 over Bay Creek?

It is owned by the State Highway Agency.