US Bridges

Township Road No. over Irish Hollow Creek

Fair

Jo Daviess County, Illinois · 5 MI W Elizabeth · Structure no. 043306400000000

Built
1922
103 years old
Condition
Fair
inspected October 2024
Type
Other
Concrete
Length
43 ft
1 main span
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road No. over Irish Hollow Creek is a concrete other carrying Township Road No. over Irish Hollow Creek in Jo Daviess County, Illinois. It was built in 1922, so it is 103 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 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 43 ft (13.1 m) long and 19 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesTownship Road No.
CrossesIrish Hollow Creek
Location5 MI W Elizabeth
RouteCounty Highway 0
Coordinates42.3288, -90.32108
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$110,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Township Road No. over Irish Hollow Creek built?

It was built in 1922, making it 103 years old in 2025.

What condition is Township Road No. over Irish Hollow 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 2024.

How much traffic does Township Road No. over Irish Hollow Creek carry?

About 75 vehicles per day (2021 count).

How long is Township Road No. over Irish Hollow Creek?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 19 ft wide.

Who owns Township Road No. over Irish Hollow Creek?

It is owned by the Town or Township Highway Agency.