US Bridges

Cs 7080 over Benton Lake

Good

Franklin County, Illinois · Cs 7080 · Structure no. 028600200000000

Built
1995
30 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cs 7080 over Benton Lake is a prestressed concrete box beam or girders - multiple carrying Cs 7080 over Benton Lake in Franklin County, Illinois. It was built in 1995, so it is 30 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 100 vehicles a day, roughly 11% of them trucks, projected to reach 152 by 2046. The structure is 74 ft (22.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCs 7080
CrossesBenton Lake
LocationCs 7080
RouteCity Street 0
Coordinates38.05464, -88.90957
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 inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
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 length74 ft (22.6 m)
Longest span71 ft (21.6 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic152 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Cs 7080 over Benton Lake built?

It was built in 1995, making it 30 years old in 2025.

What condition is Cs 7080 over Benton 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 June 2022.

How much traffic does Cs 7080 over Benton Lake carry?

About 100 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Cs 7080 over Benton Lake?

The structure is 74 ft (22.6 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.

Who owns Cs 7080 over Benton Lake?

It is owned by the City or Municipal Highway Agency.