US Bridges

W Block Road over Br of Yellow Creek

Good

Stephenson County, Illinois · .56 MI S Pearl C RD · Structure no. 089321600000000

Built
1978
47 years old
Condition
Good
inspected September 2021
Type
Slab
Concrete
Length
74 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

W Block Road over Br of Yellow Creek is a concrete slab carrying W Block Road over Br of Yellow Creek in Stephenson County, Illinois. It was built in 1978, so it is 47 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 74 ft (22.6 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesW Block Road
CrossesBr of Yellow Creek
Location.56 MI S Pearl C RD
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.26078, -89.76166
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span27 ft (8.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks0%
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 W Block Road over Br of Yellow Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is W Block Road over Br of Yellow Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2021.

How much traffic does W Block Road over Br of Yellow Creek carry?

About 50 vehicles per day (2020 count).

How long is W Block Road over Br of Yellow Creek?

The structure is 74 ft (22.6 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.

Who owns W Block Road over Br of Yellow Creek?

It is owned by the Town or Township Highway Agency.