US Bridges

MS6240 (indiana Av over Mendota CR

Poor

LaSalle County, Illinois · 100 Ft N Burlington · Structure no. 050700400000000

Built
1916
109 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
100
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

MS6240 (indiana Av over Mendota CR is a steel stringer/multi-beam or girder carrying MS6240 (indiana Av over Mendota CR in LaSalle County, Illinois. It was built in 1916, so it is 109 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, projected to reach 101 by 2046. The structure is 27 ft (8.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMS6240 (indiana Av
CrossesMendota CR
Location100 Ft N Burlington
RouteCity Street 0
Coordinates41.55175, -89.12133
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width50 ft (15.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks0%
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 MS6240 (indiana Av over Mendota CR built?

It was built in 1916, making it 109 years old in 2025.

What condition is MS6240 (indiana Av over Mendota CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does MS6240 (indiana Av over Mendota CR carry?

About 100 vehicles per day (2020 count).

How long is MS6240 (indiana Av over Mendota CR?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 50 ft wide.

Who owns MS6240 (indiana Av over Mendota CR?

It is owned by the City or Municipal Highway Agency.