US Bridges

FAS 1877 over Big Muddy River

Fair

Franklin County, Illinois · Yellow Banks Road · Structure no. 028322000000000

Built
1979
46 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
1,050
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 1877 over Big Muddy River is a prestressed concrete box beam or girders - multiple carrying FAS 1877 over Big Muddy River in Franklin County, Illinois. It was built in 1979, so it is 46 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 1,050 vehicles a day, roughly 8% of them trucks, projected to reach 1,111 by 2046. The structure is 136 ft (41.5 m) long and 27 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS 1877
CrossesBig Muddy River
LocationYellow Banks Road
RouteCounty Highway 0
Coordinates37.94967, -89.00088
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2024)
Projected traffic1,111 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 1877 over Big Muddy River built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAS 1877 over Big Muddy 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 May 2024.

How much traffic does FAS 1877 over Big Muddy River carry?

About 1,050 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAS 1877 over Big Muddy River?

The structure is 136 ft (41.5 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns FAS 1877 over Big Muddy River?

It is owned by the County Highway Agency.