US Bridges

Omalley RD TR-103 over Bills Run

Fair

Grundy County, Illinois · .27 MI W Buffalo RD · Structure no. 032488500000000

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Omalley RD TR-103 over Bills Run is a concrete continuous culvert carrying Omalley RD TR-103 over Bills Run in Grundy County, Illinois. It was built in 1958, so it is 67 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 50 vehicles a day, projected to reach 60 by 2046. The structure is 22 ft (6.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOmalley RD TR-103
CrossesBills Run
Location.27 MI W Buffalo RD
RouteCounty Highway 0
Coordinates41.26826, -88.51889
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.8 m)
Longest span11 ft (3.4 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic60 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 Omalley RD TR-103 over Bills Run built?

It was built in 1958, making it 67 years old in 2025.

What condition is Omalley RD TR-103 over Bills Run 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 2024.

How much traffic does Omalley RD TR-103 over Bills Run carry?

About 50 vehicles per day (2024 count).

How long is Omalley RD TR-103 over Bills Run?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.4 m) and a deck 25 ft wide.

Who owns Omalley RD TR-103 over Bills Run?

It is owned by the Town or Township Highway Agency.