US Bridges

MS-7711 (glenn St) over Long Creek

Poor

LaSalle County, Illinois · Glenn Ov Long CR · Structure no. 050690100000000

Built
1964
61 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
41 ft
1 main span
Daily traffic
525
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

MS-7711 (glenn St) over Long Creek is a concrete channel beam carrying MS-7711 (glenn St) over Long Creek in LaSalle County, Illinois. It was built in 1964, so it is 61 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. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 525 vehicles a day, roughly 6% of them trucks, projected to reach 530 by 2046. The structure is 41 ft (12.6 m) long and 26 ft wide.

CarriesMS-7711 (glenn St)
CrossesLong Creek
LocationGlenn Ov Long CR
RouteCity Street 0
Coordinates41.33016, -88.72043
Functional classRural 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length41 ft (12.6 m)
Longest span39 ft (12 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2020)
Projected traffic530 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 MS-7711 (glenn St) over Long Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is MS-7711 (glenn St) over Long Creek 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 April 2024.

How much traffic does MS-7711 (glenn St) over Long Creek carry?

About 525 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is MS-7711 (glenn St) over Long Creek?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (12 m) and a deck 26 ft wide.

Who owns MS-7711 (glenn St) over Long Creek?

It is owned by the City or Municipal Highway Agency.