US Bridges

FAS 1673(CH 28) over Drainage Ditch

Fair

Coles County, Illinois · 3 MI SE Humboldt · Structure no. 015334700000000

Built
1990
35 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
325
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1673(CH 28) over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying FAS 1673(CH 28) over Drainage Ditch in Coles County, Illinois. It was built in 1990, so it is 35 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 7% of them trucks, projected to reach 253 by 2046. The structure is 46 ft (14.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 1673(CH 28)
CrossesDrainage Ditch
Location3 MI SE Humboldt
RouteCounty Highway 0
Coordinates39.58869, -88.26612
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 length46 ft (14.1 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2024)
Projected traffic253 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

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 FAS 1673(CH 28) over Drainage Ditch built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAS 1673(CH 28) over Drainage Ditch 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 FAS 1673(CH 28) over Drainage Ditch carry?

About 325 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is FAS 1673(CH 28) over Drainage Ditch?

The structure is 46 ft (14.1 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns FAS 1673(CH 28) over Drainage Ditch?

It is owned by the County Highway Agency.