US Bridges

Park Access Road over Dawson Lake

Good

McLean County, Illinois · 2.5 MI S Ellsworth · Structure no. 057991000000000

Built
1965
60 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
200
2024 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Park Access Road over Dawson Lake is a concrete culvert carrying Park Access Road over Dawson Lake in McLean County, Illinois. It was built in 1965, so it is 60 years old, older 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 200 vehicles a day, roughly 22% of them trucks, projected to reach 328 by 2046. The structure is 22 ft (6.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPark Access Road
CrossesDawson Lake
Location2.5 MI S Ellsworth
Coordinates40.41618, -88.71779
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic328 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 Park Access Road over Dawson Lake built?

It was built in 1965, making it 60 years old in 2025.

What condition is Park Access Road over Dawson Lake 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 May 2024.

How much traffic does Park Access Road over Dawson Lake carry?

About 200 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Park Access Road over Dawson Lake?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns Park Access Road over Dawson Lake?

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