US Bridges

Ch 7 over Drainage Ditch

Good

Adams County, Illinois · 1.2 MI W Ursa on Ch · Structure no. 001323500000000

Built
1969
56 years old, rebuilt 2013
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 7 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Ch 7 over Drainage Ditch in Adams County, Illinois. It was built in 1969 and reconstructed in 2013, so it is 56 years old, older 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 400 vehicles a day, roughly 5% of them trucks, projected to reach 505 by 2046. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCh 7
CrossesDrainage Ditch
Location1.2 MI W Ursa on Ch
RouteCounty Highway 0
Coordinates40.08242, -91.41902
Functional classRural Major 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span49 ft (14.9 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic505 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 7 over Drainage Ditch built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2013.

What condition is Ch 7 over Drainage 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 January 2024.

How much traffic does Ch 7 over Drainage Ditch carry?

About 400 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ch 7 over Drainage Ditch?

The structure is 52 ft (15.8 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.

Who owns Ch 7 over Drainage Ditch?

It is owned by the County Highway Agency.