US Bridges

Woodstock RD over Piscasaw Creek

Fair

Boone County, Illinois · .6 MI E Poplar Gr RD · Structure no. 004300100000000

Built
1957
68 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
140 ft
4 main spans
Daily traffic
1,800
2023 count
Owner
County
County Highway Agency

About this bridge

Woodstock RD over Piscasaw Creek is a concrete slab carrying Woodstock RD over Piscasaw Creek in Boone County, Illinois. It was built in 1957, so it is 68 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 1,800 vehicles a day, roughly 3% of them trucks, projected to reach 1,976 by 2046. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesWoodstock RD
CrossesPiscasaw Creek
Location.6 MI E Poplar Gr RD
RouteCounty Highway 0
CountyBoone County
StateIllinois
Coordinates42.30889, -88.80661
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.5 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length140 ft (42.7 m)
Longest span37 ft (11.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2023)
Projected traffic1,976 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Woodstock RD over Piscasaw Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Woodstock RD over Piscasaw 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 March 2024.

How much traffic does Woodstock RD over Piscasaw Creek carry?

About 1,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Woodstock RD over Piscasaw Creek?

The structure is 140 ft (42.7 m) long with a longest span of 37 ft (11.3 m) and a deck 27 ft wide.

Who owns Woodstock RD over Piscasaw Creek?

It is owned by the County Highway Agency.