US Bridges

Ms 7430(LONE Tree over I 80

Good

LaSalle County, Illinois · 1 MI E of Il 178 · Structure no. 050022300000000

Built
1997
28 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
2 main spans
Daily traffic
100
2020 count
Owner
State
State Highway Agency

About this bridge

Ms 7430(LONE Tree over I 80 is a steel continuous stringer/multi-beam or girder carrying Ms 7430(LONE Tree over I 80 in LaSalle County, Illinois. It was built in 1997, so it is 28 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 101 by 2046. The structure is 233 ft (70.9 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMs 7430(LONE Tree
CrossesI 80
Location1 MI E of Il 178
RouteCity Street 0
Coordinates41.36766, -88.99089
Functional classUrban 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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length233 ft (70.9 m)
Longest span89 ft (27 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ms 7430(LONE Tree over I 80 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ms 7430(LONE Tree over I 80 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 Ms 7430(LONE Tree over I 80 carry?

About 100 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Ms 7430(LONE Tree over I 80?

The structure is 233 ft (70.9 m) long with a longest span of 89 ft (27 m) and a deck 31 ft wide.

Who owns Ms 7430(LONE Tree over I 80?

It is owned by the State Highway Agency.