US Bridges

Ch 8 over Hammond Mutual Ditch

Good

Piatt County, Illinois · .5 MI NE of Hammond · Structure no. 074325700000000

Built
1992
33 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 8 over Hammond Mutual Ditch is a prestressed concrete box beam or girders - multiple carrying Ch 8 over Hammond Mutual Ditch in Piatt 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 2% of them trucks, projected to reach 303 by 2046. The structure is 76 ft (23.3 m) long and 30 ft wide.

CarriesCh 8
CrossesHammond Mutual Ditch
Location.5 MI NE of Hammond
RouteCounty Highway 0
Coordinates39.80652, -88.57773
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length76 ft (23.3 m)
Longest span72 ft (21.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic303 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Hammond Mutual Ditch built?

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

What condition is Ch 8 over Hammond Mutual Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2022.

How much traffic does Ch 8 over Hammond Mutual Ditch carry?

About 300 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ch 8 over Hammond Mutual Ditch?

The structure is 76 ft (23.3 m) long with a longest span of 72 ft (21.9 m) and a deck 30 ft wide.

Who owns Ch 8 over Hammond Mutual Ditch?

It is owned by the County Highway Agency.