US Bridges

Township RD No 146 over Br of Apple River

Fair

Jo Daviess County, Illinois · 2 MI No of Elizabeth · Structure no. 043312600000000

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township RD No 146 over Br of Apple River is a steel stringer/multi-beam or girder carrying Township RD No 146 over Br of Apple River in Jo Daviess County, Illinois. It was built in 1967, so it is 58 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 100 vehicles a day, roughly 13% of them trucks, projected to reach 101 by 2046. The structure is 43 ft (13.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTownship RD No 146
CrossesBr of Apple River
Location2 MI No of Elizabeth
RouteCounty Highway 0
Coordinates42.34538, -90.20775
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Township RD No 146 over Br of Apple River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Township RD No 146 over Br of Apple River 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 RD No 146 over Br of Apple River carry?

About 100 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Township RD No 146 over Br of Apple River?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 22 ft wide.

Who owns Township RD No 146 over Br of Apple River?

It is owned by the Town or Township Highway Agency.