US Bridges

CH-8 over Locust Creek

Fair

Christian County, Illinois · 1.75 MI W Owaneco · Structure no. 011339400000000

Built
2003
22 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
128 ft
2 main spans
Daily traffic
300
2021 count
Owner
County
County Highway Agency

About this bridge

CH-8 over Locust Creek is a prestressed concrete box beam or girders - multiple carrying CH-8 over Locust Creek in Christian County, Illinois. It was built in 2003, so it is 22 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 5 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 300 vehicles a day, roughly 7% of them trucks, projected to reach 303 by 2046. The structure is 128 ft (38.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCH-8
CrossesLocust Creek
Location1.75 MI W Owaneco
RouteCounty Highway 0
CountyChristian County
StateIllinois
Coordinates39.48016, -89.2362
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length128 ft (38.9 m)
Longest span62 ft (18.8 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic303 by 2046
Trucks7%
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-8 over Locust Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CH-8 over Locust 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 December 2024.

How much traffic does CH-8 over Locust Creek carry?

About 300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is CH-8 over Locust Creek?

The structure is 128 ft (38.9 m) long with a longest span of 62 ft (18.8 m) and a deck 30 ft wide.

Who owns CH-8 over Locust Creek?

It is owned by the County Highway Agency.