US Bridges

Lake Road over Br. Rock Creek

Fair

Whiteside County, Illinois · 3 MI N.Ne. Morrison · Structure no. 098360800000000

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lake Road over Br. Rock Creek is a concrete culvert carrying Lake Road over Br. Rock Creek in Whiteside County, Illinois. It was built in 1963, so it is 62 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 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 50 vehicles a day, roughly 30% of them trucks, projected to reach 51 by 2046. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLake Road
CrossesBr. Rock Creek
Location3 MI N.Ne. Morrison
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.86239, -89.94465
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length24 ft (7.4 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lake Road over Br. Rock Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Lake Road over Br. Rock Creek 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 Lake Road over Br. Rock Creek carry?

About 50 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is Lake Road over Br. Rock Creek?

The structure is 24 ft (7.4 m) long with a longest span of 12 ft (3.6 m).

Who owns Lake Road over Br. Rock Creek?

It is owned by the Town or Township Highway Agency.