US Bridges

Airshaft RD over Spoil Bank Ditch

Good

Saline County, Illinois · 0.8 MI S US 45 · Structure no. 083323000000000

Built
2008
17 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
125
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Airshaft RD over Spoil Bank Ditch is a prestressed concrete box beam or girders - multiple carrying Airshaft RD over Spoil Bank Ditch in Saline County, Illinois. It was built in 2008, so it is 17 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 125 vehicles a day, roughly 18% of them trucks, projected to reach 126 by 2046. The structure is 58 ft (17.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAirshaft RD
CrossesSpoil Bank Ditch
Location0.8 MI S US 45
RouteCounty Highway 0
Coordinates37.79034, -88.45656
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length58 ft (17.8 m)
Longest span56 ft (17.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic126 by 2046
Trucks18%
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

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 Airshaft RD over Spoil Bank Ditch built?

It was built in 2008, making it 17 years old in 2025.

What condition is Airshaft RD over Spoil Bank Ditch 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 February 2022.

How much traffic does Airshaft RD over Spoil Bank Ditch carry?

About 125 vehicles per day (2020 count), of which roughly 18% are trucks.

How long is Airshaft RD over Spoil Bank Ditch?

The structure is 58 ft (17.8 m) long with a longest span of 56 ft (17.1 m) and a deck 24 ft wide.

Who owns Airshaft RD over Spoil Bank Ditch?

It is owned by the Town or Township Highway Agency.