US Bridges

FAS 1582 over Little Missouri

Fair

Brown County, Illinois · 7 M NW Mt Sterling · Structure no. 005300300000000

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 1582 over Little Missouri is a prestressed concrete box beam or girders - multiple carrying FAS 1582 over Little Missouri in Brown County, Illinois. It was built in 2008, so it is 17 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 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 200 vehicles a day, roughly 13% of them trucks, projected to reach 202 by 2046. The structure is 97 ft (29.7 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesFAS 1582
CrossesLittle Missouri
Location7 M NW Mt Sterling
RouteCounty Highway 0
CountyBrown County
StateIllinois
Coordinates40.06097, -90.82511
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal 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 spans3
Design loadHS 20
Structure length97 ft (29.7 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic202 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 1582 over Little Missouri built?

It was built in 2008, making it 17 years old in 2025.

What condition is FAS 1582 over Little Missouri 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 1582 over Little Missouri carry?

About 200 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FAS 1582 over Little Missouri?

The structure is 97 ft (29.7 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns FAS 1582 over Little Missouri?

It is owned by the County Highway Agency.