US Bridges

US 30 over 5 Mile Branch Creek

Fair

Lee County, Illinois · 2.5 Mi. W. of Il 26 · Structure no. 052006600000000

Built
1993
32 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
1,850
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over 5 Mile Branch Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 30 over 5 Mile Branch Creek in Lee County, Illinois. It was built in 1993, so it is 32 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 5 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 1,850 vehicles a day, roughly 21% of them trucks, projected to reach 2,071 by 2046. The structure is 117 ft (35.6 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS 30
Crosses5 Mile Branch Creek
Location2.5 Mi. W. of Il 26
RouteU.S. Route 30
Coordinates41.75821, -89.50611
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating66.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length117 ft (35.6 m)
Longest span37 ft (11.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2023)
Projected traffic2,071 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 30 over 5 Mile Branch Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 30 over 5 Mile Branch 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 January 2024.

How much traffic does US 30 over 5 Mile Branch Creek carry?

About 1,850 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 30 over 5 Mile Branch Creek?

The structure is 117 ft (35.6 m) long with a longest span of 37 ft (11.2 m) and a deck 39 ft wide.

Who owns US 30 over 5 Mile Branch Creek?

It is owned by the State Highway Agency.