US Bridges

Ch 7 over Union Drain Dit #3

Fair

Coles County, Illinois · 2.5 MI W Charleston · Structure no. 015329000000000

Built
1987
38 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
325
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 7 over Union Drain Dit #3 is a prestressed concrete box beam or girders - multiple carrying Ch 7 over Union Drain Dit #3 in Coles County, Illinois. It was built in 1987, so it is 38 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 325 vehicles a day, roughly 5% of them trucks, projected to reach 379 by 2046. The structure is 57 ft (17.4 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCh 7
CrossesUnion Drain Dit #3
Location2.5 MI W Charleston
RouteCounty Highway 0
Coordinates39.49082, -88.23816
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span56 ft (17 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2024)
Projected traffic379 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Union Drain Dit #3 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ch 7 over Union Drain Dit #3 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 January 2024.

How much traffic does Ch 7 over Union Drain Dit #3 carry?

About 325 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ch 7 over Union Drain Dit #3?

The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17 m) and a deck 24 ft wide.

Who owns Ch 7 over Union Drain Dit #3?

It is owned by the County Highway Agency.