US Bridges

FAU 6838-CH 10 over BNSF RR & Gravel RD

Poor

Knox County, Illinois · NW-27-T11NR1E · Structure no. 048328600000000

Built
1985
40 years old
Condition
Poor
inspected July 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,029 ft
18 main spans
Daily traffic
3,050
2022 count
Owner
County
County Highway Agency

About this bridge

FAU 6838-CH 10 over BNSF RR & Gravel RD is a steel continuous stringer/multi-beam or girder carrying FAU 6838-CH 10 over BNSF RR & Gravel RD in Knox County, Illinois. It was built in 1985, so it is 40 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,050 vehicles a day, roughly 10% of them trucks, projected to reach 3,737 by 2046. The structure is 2,029 ft (618.3 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAU 6838-CH 10
CrossesBNSF RR & Gravel RD
LocationNW-27-T11NR1E
RouteCounty Highway 0
Coordinates40.91798, -90.38264
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating40 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length2,029 ft (618.3 m)
Longest span165 ft (50.3 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2022)
Projected traffic3,737 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 6838-CH 10 over BNSF RR & Gravel RD built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAU 6838-CH 10 over BNSF RR & Gravel RD in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2022.

How much traffic does FAU 6838-CH 10 over BNSF RR & Gravel RD carry?

About 3,050 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is FAU 6838-CH 10 over BNSF RR & Gravel RD?

The structure is 2,029 ft (618.3 m) long with a longest span of 165 ft (50.3 m) and a deck 55 ft wide.

Who owns FAU 6838-CH 10 over BNSF RR & Gravel RD?

It is owned by the County Highway Agency.