US Bridges

FAP-828 (cc-Mont B over Little Muddy Overflo

FairPosted for load

Clay County, Illinois · 3.5 MI N Clay City · Structure no. 013001700000000

Built
1957
68 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
141 ft
3 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

FAP-828 (cc-Mont B over Little Muddy Overflo is a concrete continuous slab carrying FAP-828 (cc-Mont B over Little Muddy Overflo in Clay County, Illinois. It was built in 1957, so it is 68 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,600 vehicles a day, roughly 18% of them trucks, projected to reach 2,050 by 2046. The structure is 141 ft (43 m) long and 35 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesFAP-828 (cc-Mont B
CrossesLittle Muddy Overflo
Location3.5 MI N Clay City
CountyClay County
StateIllinois
Coordinates38.72585, -88.35457
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length141 ft (43 m)
Longest span35 ft (10.7 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic2,050 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$690,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP-828 (cc-Mont B over Little Muddy Overflo built?

It was built in 1957, making it 68 years old in 2025.

What condition is FAP-828 (cc-Mont B over Little Muddy Overflo 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 FAP-828 (cc-Mont B over Little Muddy Overflo carry?

About 1,600 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is FAP-828 (cc-Mont B over Little Muddy Overflo?

The structure is 141 ft (43 m) long with a longest span of 35 ft (10.7 m) and a deck 35 ft wide.

Who owns FAP-828 (cc-Mont B over Little Muddy Overflo?

It is owned by the State Highway Agency.