US Bridges

Ch 10 over Horse Creek

Fair

Randolph County, Illinois · 3 MI East of Runa · Structure no. 079310200000000

Built
1985
40 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
3 main spans
Daily traffic
275
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 10 over Horse Creek is a prestressed concrete box beam or girders - multiple carrying Ch 10 over Horse Creek in Randolph County, Illinois. It was built in 1985, so it is 40 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 275 vehicles a day, roughly 33% of them trucks, projected to reach 303 by 2046. The structure is 162 ft (49.4 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCh 10
CrossesHorse Creek
Location3 MI East of Runa
RouteCounty Highway 0
Coordinates38.13226, -89.94509
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length162 ft (49.4 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2024)
Projected traffic303 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 10 over Horse Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ch 10 over Horse 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 10 over Horse Creek carry?

About 275 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Ch 10 over Horse Creek?

The structure is 162 ft (49.4 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Ch 10 over Horse Creek?

It is owned by the County Highway Agency.