US Bridges

FAS 849 over Little Plum Creek

Fair

Randolph County, Illinois · 4 MI Southof Baldwin · Structure no. 079301300000000

Built
1969
56 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
146 ft
3 main spans
Daily traffic
775
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 849 over Little Plum Creek is a concrete box beam or girders - multiple carrying FAS 849 over Little Plum Creek in Randolph County, Illinois. It was built in 1969, so it is 56 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 775 vehicles a day, roughly 15% of them trucks, projected to reach 732 by 2046. The structure is 146 ft (44.5 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS 849
CrossesLittle Plum Creek
Location4 MI Southof Baldwin
RouteCounty Highway 0
Coordinates38.12023, -89.84747
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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating34 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length146 ft (44.5 m)
Longest span54 ft (16.5 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2024)
Projected traffic732 by 2046
Trucks15%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$774.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 849 over Little Plum Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAS 849 over Little Plum 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 December 2024.

How much traffic does FAS 849 over Little Plum Creek carry?

About 775 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is FAS 849 over Little Plum Creek?

The structure is 146 ft (44.5 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.

Who owns FAS 849 over Little Plum Creek?

It is owned by the County Highway Agency.