US Bridges

Kirk Road over Union Pacific R.R.

Poor

Kane County, Illinois · 1 MI E Geneva · Structure no. 045309600000000

Built
1974
51 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,376 ft
18 main spans
Daily traffic
29,300
2023 count
Owner
County
County Highway Agency

About this bridge

Kirk Road over Union Pacific R.R. is a steel continuous stringer/multi-beam or girder carrying Kirk Road over Union Pacific R.R. in Kane County, Illinois. It was built in 1974, so it is 51 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 29,300 vehicles a day, roughly 8% of them trucks, projected to reach 34,038 by 2046. The structure is 1,376 ft (419.5 m) long and 62 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesKirk Road
CrossesUnion Pacific R.R.
Location1 MI E Geneva
CountyKane County
StateIllinois
Coordinates41.88241, -88.27816
Functional classUrban Other Principal Arterial

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 inspectionJune 2024
Inspection intervalevery 24 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length1,376 ft (419.5 m)
Longest span87 ft (26.5 m)
Deck width62 ft (18.9 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,300 (2023)
Projected traffic34,038 by 2046
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 Kirk Road over Union Pacific R.R. built?

It was built in 1974, making it 51 years old in 2025.

What condition is Kirk Road over Union Pacific R.R. 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 June 2024.

How much traffic does Kirk Road over Union Pacific R.R. carry?

About 29,300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Kirk Road over Union Pacific R.R.?

The structure is 1,376 ft (419.5 m) long with a longest span of 87 ft (26.5 m) and a deck 62 ft wide.

Who owns Kirk Road over Union Pacific R.R.?

It is owned by the County Highway Agency.