US Bridges

Cockrell LN over I-72 / US 36

Good

Sangamon County, Illinois · .7M W Il 4/VETERANS · Structure no. 084012600000000

Built
1969
56 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
249 ft
4 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

Cockrell LN over I-72 / US 36 is a prestressed concrete stringer/multi-beam or girder carrying Cockrell LN over I-72 / US 36 in Sangamon County, Illinois. It was built in 1969, so it is 56 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 3,900 vehicles a day, roughly 3% of them trucks, projected to reach 3,485 by 2046. The structure is 249 ft (75.9 m) long and 30 ft wide.

CarriesCockrell LN
CrossesI-72 / US 36
Location.7M W Il 4/VETERANS
Coordinates39.74727, -89.71992
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length249 ft (75.9 m)
Longest span76 ft (23.3 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2022)
Projected traffic3,485 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Cockrell LN over I-72 / US 36 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Cockrell LN over I-72 / US 36 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 November 2024.

How much traffic does Cockrell LN over I-72 / US 36 carry?

About 3,900 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Cockrell LN over I-72 / US 36?

The structure is 249 ft (75.9 m) long with a longest span of 76 ft (23.3 m) and a deck 30 ft wide.

Who owns Cockrell LN over I-72 / US 36?

It is owned by the State Highway Agency.