US Bridges

FAS 835-CH 12 over Mud Creek

Poor

Perry County, Illinois · Washington CO Line · Structure no. 073317000000000

Built
1958
67 years old, rebuilt 1995
Condition
Poor
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
83 ft
3 main spans
Daily traffic
900
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 835-CH 12 over Mud Creek is a prestressed concrete box beam or girders - multiple carrying FAS 835-CH 12 over Mud Creek in Perry County, Illinois. It was built in 1958 and reconstructed in 1995, so it is 67 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 900 vehicles a day, roughly 8% of them trucks, projected to reach 783 by 2046. The structure is 83 ft (25.3 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFAS 835-CH 12
CrossesMud Creek
LocationWashington CO Line
RouteCounty Highway 0
Coordinates38.21872, -89.56099
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span29 ft (8.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2024)
Projected traffic783 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 835-CH 12 over Mud Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1995.

What condition is FAS 835-CH 12 over Mud 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 2024.

How much traffic does FAS 835-CH 12 over Mud Creek carry?

About 900 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAS 835-CH 12 over Mud Creek?

The structure is 83 ft (25.3 m) long with a longest span of 29 ft (8.7 m) and a deck 28 ft wide.

Who owns FAS 835-CH 12 over Mud Creek?

It is owned by the County Highway Agency.