US Bridges

Ch 7 over Richland Creek

Fair

Shelby County, Illinois · 3.0 MI NW Herborn · Structure no. 087355000000000

Built
2007
18 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
250
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ch 7 over Richland Creek is a prestressed concrete box beam or girders - multiple carrying Ch 7 over Richland Creek in Shelby County, Illinois. It was built in 2007, so it is 18 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 250 vehicles a day, roughly 7% of them trucks, projected to reach 227 by 2046. The structure is 160 ft (48.8 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 7
CrossesRichland Creek
Location3.0 MI NW Herborn
RouteCounty Highway 0
Coordinates39.33164, -88.67093
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2024)
Projected traffic227 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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 7 over Richland Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ch 7 over Richland 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 March 2024.

How much traffic does Ch 7 over Richland Creek carry?

About 250 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ch 7 over Richland Creek?

The structure is 160 ft (48.8 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Ch 7 over Richland Creek?

It is owned by the Town or Township Highway Agency.