US Bridges

FAS-801 over Mad Creek

Poor

Lawrence County, Illinois · 1 MI E Chauncey · Structure no. 051312500000000

Built
1973
52 years old
Condition
Poor
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
325
2021 count
Owner
County
County Highway Agency

About this bridge

FAS-801 over Mad Creek is a prestressed concrete box beam or girders - multiple carrying FAS-801 over Mad Creek in Lawrence County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 325 vehicles a day, roughly 17% of them trucks, projected to reach 328 by 2046. The structure is 62 ft (18.9 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFAS-801
CrossesMad Creek
Location1 MI E Chauncey
RouteCounty Highway 0
Coordinates38.83511, -87.85183
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating61.1 US tons
Inventory rating19.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 15
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2021)
Projected traffic328 by 2046
Trucks17%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS-801 over Mad Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FAS-801 over Mad Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAS-801 over Mad Creek carry?

About 325 vehicles per day (2021 count), of which roughly 17% are trucks.

How long is FAS-801 over Mad Creek?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns FAS-801 over Mad Creek?

It is owned by the County Highway Agency.