US Bridges

FAS-531 (CH-18) over East Lake Fork

Good

Champaign County, Illinois · 375E 1000N · Structure no. 010457900000000

Built
2017
8 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
35 ft
3 main spans
Daily traffic
2,450
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-531 (CH-18) over East Lake Fork is a concrete continuous culvert carrying FAS-531 (CH-18) over East Lake Fork in Champaign County, Illinois. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,450 vehicles a day, roughly 5% of them trucks, projected to reach 2,475 by 2046. The structure is 35 ft (10.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-531 (CH-18)
CrossesEast Lake Fork
Location375E 1000N
RouteCounty Highway 0
Coordinates40.02572, -88.39181
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length35 ft (10.6 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width5 ft (1.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2021)
Projected traffic2,475 by 2046
Trucks5%
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-531 (CH-18) over East Lake Fork built?

It was built in 2017, making it 8 years old in 2025.

What condition is FAS-531 (CH-18) over East Lake Fork 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 November 2023.

How much traffic does FAS-531 (CH-18) over East Lake Fork carry?

About 2,450 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS-531 (CH-18) over East Lake Fork?

The structure is 35 ft (10.6 m) long with a longest span of 12 ft (3.6 m).

Who owns FAS-531 (CH-18) over East Lake Fork?

It is owned by the County Highway Agency.