US Bridges

I-72 / US 36 over Little Spring CR Br

Good

Sangamon County, Illinois · .8M W Wabash Intchg · Structure no. 084201200000000

Built
1975
50 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
17,100
2023 count
Owner
State
State Highway Agency

About this bridge

I-72 / US 36 over Little Spring CR Br is a concrete culvert carrying I-72 / US 36 over Little Spring CR Br in Sangamon County, Illinois. It was built in 1975, so it is 50 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 17,100 vehicles a day, roughly 21% of them trucks, projected to reach 17,170 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesI-72 / US 36
CrossesLittle Spring CR Br
Location.8M W Wabash Intchg
RouteInterstate 72
CountySangamon County
StateIllinois
Coordinates39.75176, -89.76575
Functional classUrban Principal Arterial - Interstate

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.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating70.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,100 (2023)
Projected traffic17,170 by 2046
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-72 / US 36 over Little Spring CR Br built?

It was built in 1975, making it 50 years old in 2025.

What condition is I-72 / US 36 over Little Spring CR Br 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 January 2024.

How much traffic does I-72 / US 36 over Little Spring CR Br carry?

About 17,100 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is I-72 / US 36 over Little Spring CR Br?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns I-72 / US 36 over Little Spring CR Br?

It is owned by the State Highway Agency.