US Bridges

Base Line RD over S Br Kishwaukee Rv

Fair

DeKalb County, Illinois · 3000N 1240E · Structure no. 019450000000000

Built
1965
60 years old, rebuilt 2013
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
3 main spans
Daily traffic
1,550
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Base Line RD over S Br Kishwaukee Rv is a steel continuous stringer/multi-beam or girder carrying Base Line RD over S Br Kishwaukee Rv in DeKalb County, Illinois. It was built in 1965 and reconstructed in 2013, so it is 60 years old, older 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 1,550 vehicles a day, roughly 48% of them trucks, projected to reach 1,736 by 2046. The structure is 184 ft (56.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBase Line RD
CrossesS Br Kishwaukee Rv
Location3000N 1240E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates42.06646, -88.70857
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length184 ft (56.2 m)
Longest span67 ft (20.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2021)
Projected traffic1,736 by 2046
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Base Line RD over S Br Kishwaukee Rv built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2013.

What condition is Base Line RD over S Br Kishwaukee Rv 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 October 2023.

How much traffic does Base Line RD over S Br Kishwaukee Rv carry?

About 1,550 vehicles per day (2021 count), of which roughly 48% are trucks.

How long is Base Line RD over S Br Kishwaukee Rv?

The structure is 184 ft (56.2 m) long with a longest span of 67 ft (20.3 m) and a deck 30 ft wide.

Who owns Base Line RD over S Br Kishwaukee Rv?

It is owned by the Town or Township Highway Agency.