US Bridges

Dunham RD SB over Cc&p RR

Fair

Kane County, Illinois · .10M S of Stearns RD · Structure no. 045317000000000

Built
2010
15 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
3 main spans
Daily traffic
17,200
2023 count
Owner
County
County Highway Agency

About this bridge

Dunham RD SB over Cc&p RR is a steel continuous stringer/multi-beam or girder carrying Dunham RD SB over Cc&p RR in Kane County, Illinois. It was built in 2010, so it is 15 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 17,200 vehicles a day, roughly 9% of them trucks, projected to reach 20,130 by 2046. The structure is 207 ft (63 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesDunham RD SB
CrossesCc&p RR
Location.10M S of Stearns RD
CountyKane County
StateIllinois
Coordinates41.97756, -88.26907
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length207 ft (63 m)
Longest span90 ft (27.4 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,200 (2023)
Projected traffic20,130 by 2046
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 Dunham RD SB over Cc&p RR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Dunham RD SB over Cc&p RR 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 April 2024.

How much traffic does Dunham RD SB over Cc&p RR carry?

About 17,200 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Dunham RD SB over Cc&p RR?

The structure is 207 ft (63 m) long with a longest span of 90 ft (27.4 m) and a deck 31 ft wide.

Who owns Dunham RD SB over Cc&p RR?

It is owned by the County Highway Agency.