US Bridges

FAS 1579 over Grove Creek

Fair

Menard County, Illinois · 1.0 MI SW Sweetwater · Structure no. 065310800000000

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

FAS 1579 over Grove Creek is a steel culvert carrying FAS 1579 over Grove Creek in Menard County, Illinois. It was built in 1970, so it is 55 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 13% of them trucks, projected to reach 303 by 2046. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAS 1579
CrossesGrove Creek
Location1.0 MI SW Sweetwater
RouteCounty Highway 0
CountyMenard County
StateIllinois
Coordinates40.04796, -89.71133
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.9 US tons
Inventory rating74.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.4 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 traffic300 (2020)
Projected traffic303 by 2046
Trucks13%
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 1579 over Grove Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAS 1579 over Grove Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does FAS 1579 over Grove Creek carry?

About 300 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FAS 1579 over Grove Creek?

The structure is 28 ft (8.4 m) long with a longest span of 12 ft (3.7 m).

Who owns FAS 1579 over Grove Creek?

It is owned by the County Highway Agency.