US Bridges

Gilmer Road over Fairfield Road

Fair

Lake County, Illinois · Int Gilmer&fairfield · Structure no. 049307400000000

Built
2008
17 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
8,450
2023 count
Owner
County
County Highway Agency

About this bridge

Gilmer Road over Fairfield Road is a steel stringer/multi-beam or girder carrying Gilmer Road over Fairfield Road in Lake County, Illinois. It was built in 2008, so it is 17 years old, younger 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 6 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 8,450 vehicles a day, roughly 4% of them trucks, projected to reach 8,939 by 2046. The structure is 130 ft (39.7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesGilmer Road
CrossesFairfield Road
LocationInt Gilmer&fairfield
CountyLake County
StateIllinois
Coordinates42.29393, -88.10694
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.7 m)
Longest span124 ft (37.8 m)
Deck width56 ft (17.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,450 (2023)
Projected traffic8,939 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Gilmer Road over Fairfield Road built?

It was built in 2008, making it 17 years old in 2025.

What condition is Gilmer Road over Fairfield Road 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 July 2024.

How much traffic does Gilmer Road over Fairfield Road carry?

About 8,450 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Gilmer Road over Fairfield Road?

The structure is 130 ft (39.7 m) long with a longest span of 124 ft (37.8 m) and a deck 56 ft wide.

Who owns Gilmer Road over Fairfield Road?

It is owned by the County Highway Agency.