US Bridges

Fairmont Lane over FAI 55/70/US 40

Poor

Madison County, Illinois · 1.86 MI W of Il 157 · Structure no. 060017000000000

Built
1960
65 years old, rebuilt 1984
Condition
Poor
inspected December 2024
Type
Stayed Girder
Concrete Continuous
Length
266 ft
2 main spans
Daily traffic
1,050
2021 count
Owner
State
State Highway Agency

About this bridge

Fairmont Lane over FAI 55/70/US 40 is a concrete continuous stayed girder carrying Fairmont Lane over FAI 55/70/US 40 in Madison County, Illinois. It was built in 1960 and reconstructed in 1984, so it is 65 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 4 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 1,050 vehicles a day, roughly 15% of them trucks, projected to reach 1,124 by 2046. The structure is 266 ft (81.1 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFairmont Lane
CrossesFAI 55/70/US 40
Location1.86 MI W of Il 157
RouteCounty Highway 0
Coordinates38.66953, -90.04202
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be 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 typeStayed Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length266 ft (81.1 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2021)
Projected traffic1,124 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$608,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fairmont Lane over FAI 55/70/US 40 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1984.

What condition is Fairmont Lane over FAI 55/70/US 40 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 December 2024.

How much traffic does Fairmont Lane over FAI 55/70/US 40 carry?

About 1,050 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Fairmont Lane over FAI 55/70/US 40?

The structure is 266 ft (81.1 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns Fairmont Lane over FAI 55/70/US 40?

It is owned by the State Highway Agency.