US Bridges

White School RD over Unnamed Creek

Fair

Winnebago County, Illinois · 0.4 MI N Mccurry RD · Structure no. 101511800000000

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
2,650
2022 count
Owner
County
County Highway Agency

About this bridge

White School RD over Unnamed Creek is a concrete culvert carrying White School RD over Unnamed Creek in Winnebago County, Illinois. It was built in 1964, so it is 61 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 2,650 vehicles a day, roughly 3% of them trucks, projected to reach 2,929 by 2046. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWhite School RD
CrossesUnnamed Creek
Location0.4 MI N Mccurry RD
CountyWinnebago County
StateIllinois
Coordinates42.4544, -88.9604
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating97.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2022)
Projected traffic2,929 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 White School RD over Unnamed Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is White School RD over Unnamed 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 July 2023.

How much traffic does White School RD over Unnamed Creek carry?

About 2,650 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is White School RD over Unnamed Creek?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns White School RD over Unnamed Creek?

It is owned by the County Highway Agency.