US Bridges

Yorktown Road over I-88

Fair

Whiteside County, Illinois · 3 MI NE Lyndon · Structure no. 098006700000000

Built
1974
51 years old, rebuilt 2024
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
510 ft
4 main spans
Daily traffic
100
2021 count
Owner
State
State Highway Agency

About this bridge

Yorktown Road over I-88 is a steel continuous stringer/multi-beam or girder carrying Yorktown Road over I-88 in Whiteside County, Illinois. It was built in 1974 and reconstructed in 2024, so it is 51 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 100 vehicles a day, roughly 24% of them trucks, projected to reach 101 by 2046. The structure is 510 ft (155.4 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesYorktown Road
CrossesI-88
Location3 MI NE Lyndon
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.75148, -89.86262
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length510 ft (155.4 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Yorktown Road over I-88 built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2024.

What condition is Yorktown Road over I-88 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 February 2024.

How much traffic does Yorktown Road over I-88 carry?

About 100 vehicles per day (2021 count), of which roughly 24% are trucks.

How long is Yorktown Road over I-88?

The structure is 510 ft (155.4 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns Yorktown Road over I-88?

It is owned by the State Highway Agency.