US Bridges

FAS 606 over N Plum Ck

Good

Scott County, Illinois · 1.5 MI SE Exeter · Structure no. 086300900000000

Built
1983
42 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
375
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 606 over N Plum Ck is a concrete continuous culvert carrying FAS 606 over N Plum Ck in Scott County, Illinois. It was built in 1983, so it is 42 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 375 vehicles a day, roughly 8% of them trucks, projected to reach 379 by 2046. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 606
CrossesN Plum Ck
Location1.5 MI SE Exeter
RouteCounty Highway 0
Coordinates39.70455, -90.46621
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2020)
Projected traffic379 by 2046
Trucks8%
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 606 over N Plum Ck built?

It was built in 1983, making it 42 years old in 2025.

What condition is FAS 606 over N Plum Ck 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 September 2021.

How much traffic does FAS 606 over N Plum Ck carry?

About 375 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is FAS 606 over N Plum Ck?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns FAS 606 over N Plum Ck?

It is owned by the County Highway Agency.