US Bridges

FAS 464 - Ch 1 over Dillon Creek

Fair

Tazewell County, Illinois · NW-26-T24N-R4W · Structure no. 090321100000000

Built
1992
33 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
105 ft
3 main spans
Daily traffic
2,100
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 464 - Ch 1 over Dillon Creek is a prestressed concrete box beam or girders - multiple carrying FAS 464 - Ch 1 over Dillon Creek in Tazewell 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 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 2,100 vehicles a day, roughly 7% of them trucks, projected to reach 2,121 by 2046. The structure is 105 ft (32 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS 464 - Ch 1
CrossesDillon Creek
LocationNW-26-T24N-R4W
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.50637, -89.53074
Functional classRural Major 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.
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 2025
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 geometry4: Meets minimum tolerable limits to be left in place as is
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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic2,121 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 464 - Ch 1 over Dillon Creek built?

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

What condition is FAS 464 - Ch 1 over Dillon 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 January 2025.

How much traffic does FAS 464 - Ch 1 over Dillon Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FAS 464 - Ch 1 over Dillon Creek?

The structure is 105 ft (32 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns FAS 464 - Ch 1 over Dillon Creek?

It is owned by the County Highway Agency.