US Bridges

Miller RD over Green River Trib

Poor

Lee County, Illinois · 1.0 MI S of US 30 · Structure no. 052432500000000

Built
1975
50 years old
Condition
Poor
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
25
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Miller RD over Green River Trib is a prestressed concrete box beam or girders - multiple carrying Miller RD over Green River Trib in Lee County, Illinois. It was built in 1975, so it is 50 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 59 ft (18 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMiller RD
CrossesGreen River Trib
Location1.0 MI S of US 30
RouteCounty Highway 0
Coordinates41.74353, -89.19024
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating27.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length59 ft (18 m)
Longest span57 ft (17.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2017)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Miller RD over Green River Trib built?

It was built in 1975, making it 50 years old in 2025.

What condition is Miller RD over Green River Trib 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 2025.

How much traffic does Miller RD over Green River Trib carry?

About 25 vehicles per day (2017 count).

How long is Miller RD over Green River Trib?

The structure is 59 ft (18 m) long with a longest span of 57 ft (17.4 m) and a deck 26 ft wide.

Who owns Miller RD over Green River Trib?

It is owned by the Town or Township Highway Agency.