US Bridges

Ill 108 over Lick Creek

Good

Macoupin County, Illinois · 2.1 M W Ill 111 · Structure no. 059003500000000

Built
1930
95 years old, rebuilt 1990
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
129 ft
3 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 108 over Lick Creek is a steel continuous stringer/multi-beam or girder carrying Ill 108 over Lick Creek in Macoupin County, Illinois. It was built in 1930 and reconstructed in 1990, so it is 95 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 800 vehicles a day, roughly 9% of them trucks, projected to reach 682 by 2046. The structure is 129 ft (39.3 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesIll 108
CrossesLick Creek
Location2.1 M W Ill 111
RouteState Highway 108
Coordinates39.30374, -90.08024
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic682 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 108 over Lick Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1990.

What condition is Ill 108 over Lick Creek 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 2024.

How much traffic does Ill 108 over Lick Creek carry?

About 800 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ill 108 over Lick Creek?

The structure is 129 ft (39.3 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Ill 108 over Lick Creek?

It is owned by the State Highway Agency.