US Bridges

Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr

Good

Marion County, Illinois · Centralia · Structure no. 061007900000000

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,011 ft
10 main spans
Daily traffic
8,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr is a steel continuous stringer/multi-beam or girder carrying Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr in Marion County, Illinois. It was built in 1986, so it is 39 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 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 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 7,777 by 2046. The structure is 1,011 ft (308.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 161WB (mccord S
Crosses3 Streets Bnsfrr Atk Icr
LocationCentralia
RouteState Highway 161
Coordinates38.53023, -89.13393
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length1,011 ft (308.2 m)
Longest span116 ft (35.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2023)
Projected traffic7,777 by 2046
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr built?

It was built in 1986, making it 39 years old in 2025.

What condition is Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr 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 April 2023.

How much traffic does Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr carry?

About 8,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr?

The structure is 1,011 ft (308.2 m) long with a longest span of 116 ft (35.4 m) and a deck 47 ft wide.

Who owns Il 161WB (mccord S over 3 Streets Bnsfrr Atk Icr?

It is owned by the State Highway Agency.