US Bridges

Montgomery RD over W Fk N Br Chgo River

Fair

Lake County, Illinois · .3 M E 94 1.5 M S 22 · Structure no. 049615000000000

Built
1965
60 years old, rebuilt 1993
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
20
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Montgomery RD over W Fk N Br Chgo River is a prestressed concrete box beam or girders - multiple carrying Montgomery RD over W Fk N Br Chgo River in Lake County, Illinois. It was built in 1965 and reconstructed in 1993, so it is 60 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2046. The structure is 49 ft (14.8 m) long and 36 ft wide.

CarriesMontgomery RD
CrossesW Fk N Br Chgo River
Location.3 M E 94 1.5 M S 22
RouteCounty Highway 0
Coordinates42.17831, -87.87332
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating101.4 US tons
Inventory rating60.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span47 ft (14.2 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2015)
Projected traffic20 by 2046
Trucks10%
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 Montgomery RD over W Fk N Br Chgo River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1993.

What condition is Montgomery RD over W Fk N Br Chgo River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Montgomery RD over W Fk N Br Chgo River carry?

About 20 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Montgomery RD over W Fk N Br Chgo River?

The structure is 49 ft (14.8 m) long with a longest span of 47 ft (14.2 m) and a deck 36 ft wide.

Who owns Montgomery RD over W Fk N Br Chgo River?

It is owned by the City or Municipal Highway Agency.