US Bridges

Il 4 over Spanish Needle CR Br

Good

Macoupin County, Illinois · 3M N Il 16-GILLESPIE · Structure no. 059201200000000

Built
1987
38 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,050
2023 count
Owner
State
State Highway Agency

About this bridge

Il 4 over Spanish Needle CR Br is a concrete continuous culvert carrying Il 4 over Spanish Needle CR Br in Macoupin County, Illinois. It was built in 1987, so it is 38 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 2,050 vehicles a day, roughly 11% of them trucks, projected to reach 3,737 by 2046. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIl 4
CrossesSpanish Needle CR Br
Location3M N Il 16-GILLESPIE
RouteState Highway 4
Coordinates39.17644, -89.81278
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2023)
Projected traffic3,737 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemYes

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 Il 4 over Spanish Needle CR Br built?

It was built in 1987, making it 38 years old in 2025.

What condition is Il 4 over Spanish Needle 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 July 2023.

How much traffic does Il 4 over Spanish Needle CR Br carry?

About 2,050 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Il 4 over Spanish Needle CR Br?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.4 m).

Who owns Il 4 over Spanish Needle CR Br?

It is owned by the State Highway Agency.