US Bridges

W Blair RD over Br of Spafford CR

Good

Stephenson County, Illinois · .2 M E of N Wayne RD · Structure no. 089509400000000

Built
1987
38 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

W Blair RD over Br of Spafford CR is a concrete culvert carrying W Blair RD over Br of Spafford CR in Stephenson County, Illinois. It was built in 1987, so it is 38 years old, younger 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 8 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 31 ft (9.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesW Blair RD
CrossesBr of Spafford CR
Location.2 M E of N Wayne RD
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.47797, -89.89232
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed6.2 mi (10 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 Blair RD over Br of Spafford CR built?

It was built in 1987, making it 38 years old in 2025.

What condition is W Blair RD over Br of Spafford CR 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 October 2023.

How much traffic does W Blair RD over Br of Spafford CR carry?

About 50 vehicles per day (2020 count).

How long is W Blair RD over Br of Spafford CR?

The structure is 31 ft (9.6 m) long with a longest span of 15 ft (4.6 m).

Who owns W Blair RD over Br of Spafford CR?

It is owned by the Town or Township Highway Agency.