US Bridges

Lake Argyle Park over Stream

Good

McDonough County, Illinois · Lake Argyle ST Pk · Structure no. 055200900000000

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
75
2021 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Lake Argyle Park over Stream is a concrete culvert carrying Lake Argyle Park over Stream in McDonough County, Illinois. It was built in 2011, so it is 14 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 75 vehicles a day, roughly 5% of them trucks, projected to reach 76 by 2046. The structure is 34 ft (10.3 m) long.

CarriesLake Argyle Park
CrossesStream
LocationLake Argyle ST Pk
Coordinates40.46513, -90.79628
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Lake Argyle Park over Stream built?

It was built in 2011, making it 14 years old in 2025.

What condition is Lake Argyle Park over Stream 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 2023.

How much traffic does Lake Argyle Park over Stream carry?

About 75 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Lake Argyle Park over Stream?

The structure is 34 ft (10.3 m) long with a longest span of 12 ft (3.6 m).

Who owns Lake Argyle Park over Stream?

It is owned by the State Park, Forest, or Reservation Agency.