US Bridges

Macarthur Extensio over Norfolk Southern

Good

Sangamon County, Illinois · Just N. of I 72 · Structure no. 084051200000000

Built
2009
16 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
3 main spans
Daily traffic
8,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Macarthur Extensio over Norfolk Southern is a prestressed concrete stringer/multi-beam or girder carrying Macarthur Extensio over Norfolk Southern in Sangamon County, Illinois. It was built in 2009, so it is 16 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 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 3,990 by 2046. The structure is 230 ft (70.1 m) long and 109 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMacarthur Extensio
CrossesNorfolk Southern
LocationJust N. of I 72
Coordinates39.74341, -89.67136
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span110 ft (33.5 m)
Deck width109 ft (33.2 m)
Roadway width106 ft (32.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2022)
Projected traffic3,990 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Macarthur Extensio over Norfolk Southern built?

It was built in 2009, making it 16 years old in 2025.

What condition is Macarthur Extensio over Norfolk Southern 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 March 2022.

How much traffic does Macarthur Extensio over Norfolk Southern carry?

About 8,200 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Macarthur Extensio over Norfolk Southern?

The structure is 230 ft (70.1 m) long with a longest span of 110 ft (33.5 m) and a deck 109 ft wide.

Who owns Macarthur Extensio over Norfolk Southern?

It is owned by the City or Municipal Highway Agency.