US Bridges

FAS 403-CH 35 over Trib to Henderson CR

Fair

Knox County, Illinois · NW-35-T13NR1E · Structure no. 048331400000000

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
200
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 403-CH 35 over Trib to Henderson CR is a prestressed concrete box beam or girders - multiple carrying FAS 403-CH 35 over Trib to Henderson CR in Knox County, Illinois. It was built in 1994, so it is 31 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 6 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 200 vehicles a day, roughly 33% of them trucks, projected to reach 303 by 2046. The structure is 92 ft (27.9 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 403-CH 35
CrossesTrib to Henderson CR
LocationNW-35-T13NR1E
RouteCounty Highway 0
Coordinates41.07855, -90.35863
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 spans3
Design loadHS 20
Structure length92 ft (27.9 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic303 by 2046
Trucks33%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 403-CH 35 over Trib to Henderson CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 403-CH 35 over Trib to Henderson CR 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 March 2023.

How much traffic does FAS 403-CH 35 over Trib to Henderson CR carry?

About 200 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is FAS 403-CH 35 over Trib to Henderson CR?

The structure is 92 ft (27.9 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns FAS 403-CH 35 over Trib to Henderson CR?

It is owned by the County Highway Agency.