US Bridges

FAS 516 (ch 9) over Hillsbury Slough

Good

Champaign County, Illinois · 5.5 MI W of Ludlow · Structure no. 010454200000000

Built
2009
16 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 516 (ch 9) over Hillsbury Slough is a steel stringer/multi-beam or girder carrying FAS 516 (ch 9) over Hillsbury Slough in Champaign County, Illinois. It was built in 2009, so it is 16 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 6% of them trucks, projected to reach 152 by 2046. The structure is 73 ft (22.1 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 516 (ch 9)
CrossesHillsbury Slough
Location5.5 MI W of Ludlow
RouteCounty Highway 0
Coordinates40.38485, -88.23262
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.1 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 by 2046
Trucks6%
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 516 (ch 9) over Hillsbury Slough built?

It was built in 2009, making it 16 years old in 2025.

What condition is FAS 516 (ch 9) over Hillsbury Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does FAS 516 (ch 9) over Hillsbury Slough carry?

About 150 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAS 516 (ch 9) over Hillsbury Slough?

The structure is 73 ft (22.1 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns FAS 516 (ch 9) over Hillsbury Slough?

It is owned by the County Highway Agency.