US Bridges

Beaverton Road over Beaver Creek

Fair

Boone County, Illinois · 1.0 M E Poplar Grove · Structure no. 004307500000000

Built
1983
42 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
3 main spans
Daily traffic
375
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Beaverton Road over Beaver Creek is a prestressed concrete box beam or girders - multiple carrying Beaverton Road over Beaver Creek in Boone County, Illinois. It was built in 1983, so it is 42 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 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 375 vehicles a day, roughly 26% of them trucks, projected to reach 286 by 2046. The structure is 118 ft (36.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBeaverton Road
CrossesBeaver Creek
Location1.0 M E Poplar Grove
RouteCounty Highway 0
CountyBoone County
StateIllinois
Coordinates42.36397, -88.79373
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length118 ft (36.1 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic286 by 2046
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Beaverton Road over Beaver Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Beaverton Road over Beaver Creek 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 July 2023.

How much traffic does Beaverton Road over Beaver Creek carry?

About 375 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is Beaverton Road over Beaver Creek?

The structure is 118 ft (36.1 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Beaverton Road over Beaver Creek?

It is owned by the Town or Township Highway Agency.