US Bridges

E. Liberty Road over Seven Mile Creek

Good

Jefferson County, Illinois · 2 MI E Mt Vernon · Structure no. 041374400000000

Built
2009
16 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
123 ft
2 main spans
Daily traffic
550
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

E. Liberty Road over Seven Mile Creek is a prestressed concrete box beam or girders - multiple carrying E. Liberty Road over Seven Mile Creek in Jefferson County, Illinois. It was built in 2009, so it is 16 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 550 vehicles a day, roughly 13% of them trucks, projected to reach 556 by 2046. The structure is 123 ft (37.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesE. Liberty Road
CrossesSeven Mile Creek
Location2 MI E Mt Vernon
RouteCounty Highway 0
Coordinates38.3068, -88.85082
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 spans2
Design loadHS 25 or greater
Structure length123 ft (37.6 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2021)
Projected traffic556 by 2046
Trucks13%
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

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 E. Liberty Road over Seven Mile Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is E. Liberty Road over Seven Mile Creek 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 February 2024.

How much traffic does E. Liberty Road over Seven Mile Creek carry?

About 550 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is E. Liberty Road over Seven Mile Creek?

The structure is 123 ft (37.6 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns E. Liberty Road over Seven Mile Creek?

It is owned by the Town or Township Highway Agency.