US Bridges

Il 40 Locust ST over Stream

Good

Whiteside County, Illinois · .1 MI S Lynn Blvd · Structure no. 098201400000000

Built
1987
38 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
11,100
2021 count
Owner
State
State Highway Agency

About this bridge

Il 40 Locust ST over Stream is a concrete culvert carrying Il 40 Locust ST over Stream in Whiteside County, Illinois. It was built in 1987, so it is 38 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,100 vehicles a day, roughly 4% of them trucks, projected to reach 11,211 by 2046. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 29.8 mi (48 km).

CarriesIl 40 Locust ST
CrossesStream
Location.1 MI S Lynn Blvd
RouteState Highway 40
Coordinates41.80943, -89.69861
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.8 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2021)
Projected traffic11,211 by 2046
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 40 Locust ST over Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is Il 40 Locust ST over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Il 40 Locust ST over Stream carry?

About 11,100 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Il 40 Locust ST over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.8 m).

Who owns Il 40 Locust ST over Stream?

It is owned by the State Highway Agency.