US Bridges

US 150 over Mud Creek

Fair

Henry County, Illinois · 0.1 MI S Ophiem RD · Structure no. 037005700000000

Built
1930
95 years old, rebuilt 2018
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 150 over Mud Creek is a prestressed concrete box beam or girders - multiple carrying US 150 over Mud Creek in Henry County, Illinois. It was built in 1930 and reconstructed in 2018, so it is 95 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 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 2,300 vehicles a day, roughly 9% of them trucks, projected to reach 2,538 by 2046. The structure is 73 ft (22.3 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS 150
CrossesMud Creek
Location0.1 MI S Ophiem RD
RouteU.S. Route 150
Coordinates41.25087, -90.37789
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.3 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,538 by 2046
Trucks9%
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

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 150 over Mud Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2018.

What condition is US 150 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 February 2023.

How much traffic does US 150 over Mud Creek carry?

About 2,300 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 150 over Mud Creek?

The structure is 73 ft (22.3 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns US 150 over Mud Creek?

It is owned by the State Highway Agency.