US Bridges

FAS 689(CH 9) over Slater Creek

Good

Clark County, Illinois · 4.2 MI N Martinsvill · Structure no. 012325600000000

Built
1988
37 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
300
2021 count
Owner
County
County Highway Agency

About this bridge

FAS 689(CH 9) over Slater Creek is a concrete culvert carrying FAS 689(CH 9) over Slater Creek in Clark County, Illinois. It was built in 1988, so it is 37 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 303 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 689(CH 9)
CrossesSlater Creek
Location4.2 MI N Martinsvill
RouteCounty Highway 0
Coordinates39.40433, -87.88373
Functional classRural Minor 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 inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2021)
Projected traffic303 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 689(CH 9) over Slater Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 689(CH 9) over Slater Creek 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 February 2022.

How much traffic does FAS 689(CH 9) over Slater Creek carry?

About 300 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 689(CH 9) over Slater Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns FAS 689(CH 9) over Slater Creek?

It is owned by the County Highway Agency.