US Bridges

Poplar Grove Creek over Beaver Creek

Good

Boone County, Illinois · 1.0 MI S Poplar Gr · Structure no. 004310300000000

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
133 ft
2 main spans
Daily traffic
2,550
2023 count
Owner
County
County Highway Agency

About this bridge

Poplar Grove Creek over Beaver Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Poplar Grove Creek over Beaver Creek in Boone County, Illinois. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,550 vehicles a day, roughly 5% of them trucks, projected to reach 2,600 by 2043. The structure is 133 ft (40.6 m) long and 40 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesPoplar Grove Creek
CrossesBeaver Creek
Location1.0 MI S Poplar Gr
CountyBoone County
StateIllinois
Coordinates42.34361, -88.82217
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating64.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length133 ft (40.6 m)
Longest span63 ft (19.3 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic2,600 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Poplar Grove Creek over Beaver Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Poplar Grove Creek over Beaver 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 October 2023.

How much traffic does Poplar Grove Creek over Beaver Creek carry?

About 2,550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Poplar Grove Creek over Beaver Creek?

The structure is 133 ft (40.6 m) long with a longest span of 63 ft (19.3 m) and a deck 40 ft wide.

Who owns Poplar Grove Creek over Beaver Creek?

It is owned by the County Highway Agency.