US Bridges

West Lily Creek Ro over Br of Preston Creek

Fair

Stephenson County, Illinois · 0.7 MI S of US Rt 20 · Structure no. 089315200000000

Built
1969
56 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
750
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

West Lily Creek Ro over Br of Preston Creek is a concrete continuous slab carrying West Lily Creek Ro over Br of Preston Creek in Stephenson County, Illinois. It was built in 1969, so it is 56 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 750 vehicles a day, roughly 3% of them trucks, projected to reach 758 by 2046. The structure is 64 ft (19.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWest Lily Creek Ro
CrossesBr of Preston Creek
Location0.7 MI S of US Rt 20
RouteCounty Highway 0
Coordinates42.30813, -89.67897
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating24.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2024)
Projected traffic758 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 West Lily Creek Ro over Br of Preston Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is West Lily Creek Ro over Br of Preston 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 December 2023.

How much traffic does West Lily Creek Ro over Br of Preston Creek carry?

About 750 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is West Lily Creek Ro over Br of Preston Creek?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns West Lily Creek Ro over Br of Preston Creek?

It is owned by the Town or Township Highway Agency.