US Bridges

CH-12 (fas 582) over Little Creek

Fair

Brown County, Illinois · 2 MI S Lagrange · Structure no. 005301900000000

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
149 ft
3 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

CH-12 (fas 582) over Little Creek is a prestressed concrete box beam or girders - multiple carrying CH-12 (fas 582) over Little Creek in Brown County, Illinois. It was built in 1990, so it is 35 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 75 vehicles a day, roughly 12% of them trucks, projected to reach 101 by 2046. The structure is 149 ft (45.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesCH-12 (fas 582)
CrossesLittle Creek
Location2 MI S Lagrange
RouteCounty Highway 0
CountyBrown County
StateIllinois
Coordinates39.92118, -90.56224
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span53 ft (16.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic101 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CH-12 (fas 582) over Little Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is CH-12 (fas 582) over Little 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 October 2023.

How much traffic does CH-12 (fas 582) over Little Creek carry?

About 75 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is CH-12 (fas 582) over Little Creek?

The structure is 149 ft (45.4 m) long with a longest span of 53 ft (16.3 m) and a deck 28 ft wide.

Who owns CH-12 (fas 582) over Little Creek?

It is owned by the County Highway Agency.