US Bridges

FAS 1581 over Lamoine River

Fair

Schuyler County, Illinois · Brown CO Line · Structure no. 085313500000000

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
433 ft
6 main spans
Daily traffic
125
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1581 over Lamoine River is a prestressed concrete box beam or girders - multiple carrying FAS 1581 over Lamoine River in Schuyler County, Illinois. It was built in 1994, so it is 31 years old, younger 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 5 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 76 by 2046. The structure is 433 ft (131.9 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesFAS 1581
CrossesLamoine River
LocationBrown CO Line
RouteCounty Highway 0
CountySchuyler County
StateIllinois
Coordinates40.08318, -90.70317
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20
Structure length433 ft (131.9 m)
Longest span76 ft (23.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2024)
Projected traffic76 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 1581 over Lamoine River built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 1581 over Lamoine River 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 November 2024.

How much traffic does FAS 1581 over Lamoine River carry?

About 125 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is FAS 1581 over Lamoine River?

The structure is 433 ft (131.9 m) long with a longest span of 76 ft (23.2 m) and a deck 24 ft wide.

Who owns FAS 1581 over Lamoine River?

It is owned by the County Highway Agency.