US Bridges

Cth Q Newark RD over Rock River

Fair

Rock County, Wisconsin · 0.1M W JCT Ush 51 · Structure no. B53010400000000

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,045 ft
7 main spans
Daily traffic
9,300
2022 count
Owner
State
State Highway Agency

About this bridge

Cth Q Newark RD over Rock River is a steel continuous stringer/multi-beam or girder carrying Cth Q Newark RD over Rock River in Rock County, Wisconsin. It was built in 1972, so it is 53 years old, older than the Wisconsin average of 40.3 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 9,300 vehicles a day, projected to reach 11,640 by 2042. The structure is 1,045 ft (318.5 m) long and 65 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCth Q Newark RD
CrossesRock River
Location0.1M W JCT Ush 51
RouteCounty Highway 0Q
CountyRock County
StateWisconsin
Coordinates42.54014, -89.04237
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length1,045 ft (318.5 m)
Longest span157 ft (48 m)
Deck width65 ft (19.7 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,300 (2022)
Projected traffic11,640 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed3.7 mi (6 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 Cth Q Newark RD over Rock River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Cth Q Newark RD over Rock 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 May 2023.

How much traffic does Cth Q Newark RD over Rock River carry?

About 9,300 vehicles per day (2022 count).

How long is Cth Q Newark RD over Rock River?

The structure is 1,045 ft (318.5 m) long with a longest span of 157 ft (48 m) and a deck 65 ft wide.

Who owns Cth Q Newark RD over Rock River?

It is owned by the State Highway Agency.