US Bridges

High Street over B+n RR & Indian Cr.

Fair

Kane County, Illinois · 1.1 MI S E Indian TR · Structure no. 045601700000000

Built
1986
39 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
598 ft
4 main spans
Daily traffic
7,750
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

High Street over B+n RR & Indian Cr. is a steel continuous stringer/multi-beam or girder carrying High Street over B+n RR & Indian Cr. in Kane County, Illinois. It was built in 1986, so it is 39 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 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 7,750 vehicles a day, roughly 7% of them trucks, projected to reach 10,980 by 2046. The structure is 598 ft (182.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHigh Street
CrossesB+n RR & Indian Cr.
Location1.1 MI S E Indian TR
RouteCity Street 0
CountyKane County
StateIllinois
Coordinates41.76635, -88.30194
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length598 ft (182.4 m)
Longest span210 ft (64 m)
Deck width46 ft (13.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,750 (2023)
Projected traffic10,980 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 km)
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 High Street over B+n RR & Indian Cr. built?

It was built in 1986, making it 39 years old in 2025.

What condition is High Street over B+n RR & Indian Cr. 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 May 2023.

How much traffic does High Street over B+n RR & Indian Cr. carry?

About 7,750 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is High Street over B+n RR & Indian Cr.?

The structure is 598 ft (182.4 m) long with a longest span of 210 ft (64 m) and a deck 46 ft wide.

Who owns High Street over B+n RR & Indian Cr.?

It is owned by the City or Municipal Highway Agency.