US Bridges

Ch 4-CEDAR Point R over Harrisburg Lake

Good

Saline County, Illinois · 1.5 MI NE Galatia · Structure no. 083321200000000

Built
1998
27 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
225
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 4-CEDAR Point R over Harrisburg Lake is a prestressed concrete box beam or girders - multiple carrying Ch 4-CEDAR Point R over Harrisburg Lake in Saline County, Illinois. It was built in 1998, so it is 27 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 225 vehicles a day, roughly 12% of them trucks, projected to reach 227 by 2046. The structure is 52 ft (15.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 4-CEDAR Point R
CrossesHarrisburg Lake
Location1.5 MI NE Galatia
RouteCounty Highway 0
Coordinates37.86313, -88.57926
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.7 m)
Longest span49 ft (14.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2020)
Projected traffic227 by 2046
Trucks12%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Ch 4-CEDAR Point R over Harrisburg Lake built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ch 4-CEDAR Point R over Harrisburg 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 2022.

How much traffic does Ch 4-CEDAR Point R over Harrisburg Lake carry?

About 225 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Ch 4-CEDAR Point R over Harrisburg Lake?

The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.

Who owns Ch 4-CEDAR Point R over Harrisburg Lake?

It is owned by the County Highway Agency.