US Bridges

FAS 393-CH 4 over Mud Run Creek

Good

Knox County, Illinois · E.CTR-14-T13NR3E · Structure no. 048334700000000

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
700
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 393-CH 4 over Mud Run Creek is a prestressed concrete box beam or girders - multiple carrying FAS 393-CH 4 over Mud Run Creek in Knox County, Illinois. It was built in 1998, so it is 27 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 20% of them trucks, projected to reach 455 by 2046. The structure is 61 ft (18.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAS 393-CH 4
CrossesMud Run Creek
LocationE.CTR-14-T13NR3E
RouteCounty Highway 0
Coordinates41.11385, -90.12135
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length61 ft (18.5 m)
Longest span59 ft (18 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic455 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 393-CH 4 over Mud Run Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is FAS 393-CH 4 over Mud Run Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does FAS 393-CH 4 over Mud Run Creek carry?

About 700 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is FAS 393-CH 4 over Mud Run Creek?

The structure is 61 ft (18.5 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.

Who owns FAS 393-CH 4 over Mud Run Creek?

It is owned by the County Highway Agency.