US Bridges

FAP 841-ILL 154 over Little Muddy River

Fair

Franklin County, Illinois · Franklin-Perry CO Li · Structure no. 028006800000000

Built
1992
33 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
120 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 841-ILL 154 over Little Muddy River is a steel continuous stringer/multi-beam or girder carrying FAP 841-ILL 154 over Little Muddy River in Franklin County, Illinois. It was built in 1992, so it is 33 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 2,300 vehicles a day, roughly 22% of them trucks, projected to reach 2,475 by 2046. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFAP 841-ILL 154
CrossesLittle Muddy River
LocationFranklin-Perry CO Li
RouteState Highway 154
Coordinates38.08228, -89.12252
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating97.9 US tons
Inventory rating58.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span42 ft (12.9 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,475 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 841-ILL 154 over Little Muddy River built?

It was built in 1992, making it 33 years old in 2025.

What condition is FAP 841-ILL 154 over Little 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 June 2022.

How much traffic does FAP 841-ILL 154 over Little Muddy River carry?

About 2,300 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is FAP 841-ILL 154 over Little Muddy River?

The structure is 120 ft (36.6 m) long with a longest span of 42 ft (12.9 m) and a deck 35 ft wide.

Who owns FAP 841-ILL 154 over Little Muddy River?

It is owned by the State Highway Agency.