US Bridges

Ill 108 over Hurricane Creek

Fair

Macoupin County, Illinois · W Edge Carlinville · Structure no. 059005200000000

Built
1992
33 years old
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 108 over Hurricane Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Ill 108 over Hurricane Creek in Macoupin County, Illinois. It was built in 1992, so it is 33 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,750 vehicles a day, roughly 11% of them trucks, projected to reach 1,717 by 2046. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesIll 108
CrossesHurricane Creek
LocationW Edge Carlinville
RouteState Highway 108
CountyMacoupin County
StateIllinois
Coordinates39.28056, -89.90621
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span46 ft (14 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic1,717 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Hurricane Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Ill 108 over Hurricane Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2022.

How much traffic does Ill 108 over Hurricane Creek carry?

About 1,750 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 108 over Hurricane Creek?

The structure is 120 ft (36.6 m) long with a longest span of 46 ft (14 m) and a deck 35 ft wide.

Who owns Ill 108 over Hurricane Creek?

It is owned by the State Highway Agency.