US Bridges

US 6 over Mud Creek

Fair

Henry County, Illinois · .3 Mi. E. of Il 84 · Structure no. 037013900000000

Built
1992
33 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

US 6 over Mud Creek is a steel stringer/multi-beam or girder carrying US 6 over Mud Creek in Henry 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 4,300 vehicles a day, roughly 12% of them trucks, projected to reach 4,536 by 2046. The structure is 72 ft (21.9 m) long and 39 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesUS 6
CrossesMud Creek
Location.3 Mi. E. of Il 84
RouteU.S. Route 6
CountyHenry County
StateIllinois
Coordinates41.45514, -90.35362
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span69 ft (21.1 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic4,536 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US 6 over Mud Creek built?

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

What condition is US 6 over Mud Creek 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 October 2023.

How much traffic does US 6 over Mud Creek carry?

About 4,300 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US 6 over Mud Creek?

The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21.1 m) and a deck 39 ft wide.

Who owns US 6 over Mud Creek?

It is owned by the State Highway Agency.